Martynov, O. M. Some projections and their properties in the space \(l^{mn}_{\infty}\) (\(m\geq 2,\ n\geq 3\)). (English) Zbl 1506.46020 Ann. Pol. Math. 128, No. 3, 221-232 (2022). Reviewer: Fernanda Botelho (Memphis) MSC: 46B20 41A52 PDFBibTeX XMLCite \textit{O. M. Martynov}, Ann. Pol. Math. 128, No. 3, 221--232 (2022; Zbl 1506.46020) Full Text: DOI
Bloom, T.; Bos, L.; Levenberg, N.; Ma’u, S.; Piazzon, F. Correction/Addendum to: “The extremal function for the complex ball for generalized notions of degree and multivariate polynomial approximation”. (English) Zbl 1477.32056 Ann. Pol. Math. 125, No. 2, 193-202 (2020). MSC: 32U15 41A10 PDFBibTeX XMLCite \textit{T. Bloom} et al., Ann. Pol. Math. 125, No. 2, 193--202 (2020; Zbl 1477.32056) Full Text: DOI arXiv
Banaszczyk, Wojciech On the lattice of polynomials with integer coefficients: successive minima in \(L_2(0,1)\). (English) Zbl 1468.11154 Ann. Pol. Math. 124, No. 2, 109-128 (2020). Reviewer: Alar Leibak (Tallinn) MSC: 11H50 41A10 52C07 PDFBibTeX XMLCite \textit{W. Banaszczyk}, Ann. Pol. Math. 124, No. 2, 109--128 (2020; Zbl 1468.11154) Full Text: DOI
Bloom, T.; Bos, L.; Levenberg, N.; Ma’u, S.; Piazzon, F. The extremal function for the complex ball for generalized notions of degree and multivariate polynomial approximation. (English) Zbl 1439.32085 Ann. Pol. Math. 123, Part 1, 171-195 (2019); correction/addendum ibid. 125, No. 2, 193-202 (2020). MSC: 32U15 41A10 PDFBibTeX XMLCite \textit{T. Bloom} et al., Ann. Pol. Math. 123, Part 1, 171--195 (2019; Zbl 1439.32085) Full Text: DOI arXiv
Blatt, H.-P.; Grothmann, R. Interpolation characteristics of maximal polynomial approximants to rational functions. (English) Zbl 1508.30076 Ann. Pol. Math. 123, Part 1, 155-169 (2019). MSC: 30E10 30E05 41A05 41A10 PDFBibTeX XMLCite \textit{H. P. Blatt} and \textit{R. Grothmann}, Ann. Pol. Math. 123, Part 1, 155--169 (2019; Zbl 1508.30076) Full Text: DOI
Baran, Mirosław; Bialas-Ciez, Leokadia On the behaviour of constants in some polynomial inequalities. (English) Zbl 1435.32044 Ann. Pol. Math. 123, Part 1, 43-60 (2019). Reviewer: Yuri A. Farkov (Moscow) MSC: 32U20 32U35 41A17 PDFBibTeX XMLCite \textit{M. Baran} and \textit{L. Bialas-Ciez}, Ann. Pol. Math. 123, Part 1, 43--60 (2019; Zbl 1435.32044) Full Text: DOI Link
Bos, Len; Vianello, Marco Tchakaloff polynomial meshes. (English) Zbl 1431.41004 Ann. Pol. Math. 122, No. 3, 221-231 (2019). Reviewer: Martin D. Buhmann (Gießen) MSC: 41A17 41A63 PDFBibTeX XMLCite \textit{L. Bos} and \textit{M. Vianello}, Ann. Pol. Math. 122, No. 3, 221--231 (2019; Zbl 1431.41004) Full Text: DOI Link
Chatzigiannakidou, Nikolitsa Approximation properties of doubly overconvergent power series. (English) Zbl 1390.30059 Ann. Pol. Math. 120, No. 3, 197-207 (2017). MSC: 30K05 41A10 PDFBibTeX XMLCite \textit{N. Chatzigiannakidou}, Ann. Pol. Math. 120, No. 3, 197--207 (2017; Zbl 1390.30059) Full Text: DOI
Irigoyen, Amadeo A uniform bound for the Lagrange polynomials of Leja points for the unit disk. (English) Zbl 1386.30037 Ann. Pol. Math. 119, No. 1, 23-47 (2017). Reviewer: Adhemar Bultheel (Leuven) MSC: 30E05 41A05 65D05 PDFBibTeX XMLCite \textit{A. Irigoyen}, Ann. Pol. Math. 119, No. 1, 23--47 (2017; Zbl 1386.30037) Full Text: DOI
Calvi, Jean-Paul; Phung Van Manh Can we define Taylor polynomials on algebraic curves? (English) Zbl 1356.41001 Ann. Pol. Math. 118, No. 1, 1-24 (2016). MSC: 41A05 41A63 PDFBibTeX XMLCite \textit{J.-P. Calvi} and \textit{Phung Van Manh}, Ann. Pol. Math. 118, No. 1, 1--24 (2016; Zbl 1356.41001)
Banaszczyk, Wojciech; Lipnicki, Artur On the lattice of polynomials with integer coefficients: the covering radius in \(L_p(0,1)\). (English) Zbl 1336.41003 Ann. Pol. Math. 115, No. 2, 123-144 (2015). MSC: 41A10 52C07 PDFBibTeX XMLCite \textit{W. Banaszczyk} and \textit{A. Lipnicki}, Ann. Pol. Math. 115, No. 2, 123--144 (2015; Zbl 1336.41003) Full Text: DOI
Phung Van Manh On bivariate Hermite interpolation and the limit of certain bivariate Lagrange projectors. (English) Zbl 1336.41002 Ann. Pol. Math. 115, No. 1, 1-21 (2015). MSC: 41A05 41A63 PDFBibTeX XMLCite \textit{Phung Van Manh}, Ann. Pol. Math. 115, No. 1, 1--21 (2015; Zbl 1336.41002) Full Text: DOI
Baran, Mirosław; Kowalska, Agnieszka Sets with the Bernstein and generalized Markov properties. (English) Zbl 1311.41006 Ann. Pol. Math. 111, No. 3, 259-270 (2014). MSC: 41A17 14P05 41A25 14P10 PDFBibTeX XMLCite \textit{M. Baran} and \textit{A. Kowalska}, Ann. Pol. Math. 111, No. 3, 259--270 (2014; Zbl 1311.41006) Full Text: DOI
Derȩgowska, Beata; Lewandowska, Barbara A note on generalized projections in \(c_{0}\). (English) Zbl 1311.47015 Ann. Pol. Math. 111, No. 1, 59-72 (2014). Reviewer: Richard A. Zalik (Auburn) MSC: 47A58 41A52 PDFBibTeX XMLCite \textit{B. Derȩgowska} and \textit{B. Lewandowska}, Ann. Pol. Math. 111, No. 1, 59--72 (2014; Zbl 1311.47015) Full Text: DOI
Abdullayev, F. G.; Gün, C. D. On the behavior of algebraic polynomials in regions with piecewise smooth boundary without cusps. (English) Zbl 1295.30003 Ann. Pol. Math. 111, No. 1, 39-58 (2014). MSC: 30A10 30C10 30E10 41A17 PDFBibTeX XMLCite \textit{F. G. Abdullayev} and \textit{C. D. Gün}, Ann. Pol. Math. 111, No. 1, 39--58 (2014; Zbl 1295.30003) Full Text: DOI
Kowalska, Agnieszka Tangential Markov inequalities on semialgebraic curves and some semialgebraic surfaces. (English) Zbl 1272.14043 Ann. Pol. Math. 106, 215-222 (2012). Reviewer: Vladimir N. Karpushkin (Moskva) MSC: 14P10 41A17 41A25 14P05 PDFBibTeX XMLCite \textit{A. Kowalska}, Ann. Pol. Math. 106, 215--222 (2012; Zbl 1272.14043) Full Text: DOI
Celik, Serkan; Goncharov, Alexander Smoothness of the Green function for a special domain. (English) Zbl 1254.31003 Ann. Pol. Math. 106, 113-126 (2012). MSC: 31A15 41A10 41A17 PDFBibTeX XMLCite \textit{S. Celik} and \textit{A. Goncharov}, Ann. Pol. Math. 106, 113--126 (2012; Zbl 1254.31003) Full Text: DOI Link
Bialas-Ciez, Leokadia Siciak’s extremal function via Bernstein and Markov constants for compact sets in \(\mathbb{C}^N\). (English) Zbl 1254.32048 Ann. Pol. Math. 106, 41-51 (2012). MSC: 32U35 41A44 PDFBibTeX XMLCite \textit{L. Bialas-Ciez}, Ann. Pol. Math. 106, 41--51 (2012; Zbl 1254.32048) Full Text: DOI
Baran, Mirosław; Milówka, Beata; Ozorka, Paweł Markov’s property for \(k\)th derivative. (English) Zbl 1254.31008 Ann. Pol. Math. 106, 31-40 (2012). MSC: 31C10 32U35 41A17 PDFBibTeX XMLCite \textit{M. Baran} et al., Ann. Pol. Math. 106, 31--40 (2012; Zbl 1254.31008) Full Text: DOI
Anastassiou, George A. General uniform approximation theory by multivariate singular integral operators. (English) Zbl 1241.41011 Ann. Pol. Math. 103, No. 1, 15-25 (2012). MSC: 41A36 41A17 41A35 26D15 PDFBibTeX XMLCite \textit{G. A. Anastassiou}, Ann. Pol. Math. 103, No. 1, 15--25 (2012; Zbl 1241.41011) Full Text: DOI
Baran, Mirosław Cauchy–Poisson transform and polynomial inequalities. (English) Zbl 1163.31002 Ann. Pol. Math. 95, No. 3, 199-206 (2009). Reviewer: Polina Z. Agranovich (Khar’kov) MSC: 31C10 32U35 41A17 PDFBibTeX XMLCite \textit{M. Baran}, Ann. Pol. Math. 95, No. 3, 199--206 (2009; Zbl 1163.31002) Full Text: DOI
Demanze, D.; Mouze, A. Growth of coefficients of universal Dirichlet series. (English) Zbl 1121.30002 Ann. Pol. Math. 91, No. 1, 11-23 (2007). Reviewer: Olga M. Katkova (Kharkov) MSC: 30B50 41A28 46B25 PDFBibTeX XMLCite \textit{D. Demanze} and \textit{A. Mouze}, Ann. Pol. Math. 91, No. 1, 11--23 (2007; Zbl 1121.30002) Full Text: DOI
Révész, Szilárd Gy. A comparative analysis of Bernstein type estimates for the derivative of multivariate polynomials. (English) Zbl 1113.41019 Ann. Pol. Math. 88, No. 3, 229-245 (2006). Reviewer: George Csordas (Honolulu) MSC: 41A17 41A63 46B20 32U35 26D10 PDFBibTeX XMLCite \textit{S. Gy. Révész}, Ann. Pol. Math. 88, No. 3, 229--245 (2006; Zbl 1113.41019) Full Text: DOI arXiv
Gendre, Laurent Local tangential Markov inequalities on singular algebraic curves in \({\mathbb R}^n\). Inégalités de Markov tangentielles locales sur les courbes algébriques singulières de \({\mathbb R}^n\). (English) Zbl 1112.41009 Ann. Pol. Math. 86, No. 1, 59-77 (2005). Reviewer: Wiesław Pleśniak (Kraków) MSC: 41A17 41A25 32F45 32U35 32C25 PDFBibTeX XMLCite \textit{L. Gendre}, Ann. Pol. Math. 86, No. 1, 59--77 (2005; Zbl 1112.41009) Full Text: DOI
Branker, Maritza M. Approximation by weighted polynomials in \({\mathbb R}^k\). (English) Zbl 1092.32019 Ann. Pol. Math. 85, No. 3, 261-279 (2005). Reviewer: Przemysław Skibiński (Łódź) MSC: 32U35 41A40 PDFBibTeX XMLCite \textit{M. M. Branker}, Ann. Pol. Math. 85, No. 3, 261--279 (2005; Zbl 1092.32019) Full Text: DOI
Mantellini, Ilaria; Vinti, Gianluca Approximation results for nonlinear integral operators in modular spaces and applications. (English) Zbl 1019.41013 Ann. Pol. Math. 81, No. 1, 55-71 (2003). Reviewer: Thanh Van Nguyen (Toulouse) MSC: 41A35 46A80 47G10 47H30 PDFBibTeX XMLCite \textit{I. Mantellini} and \textit{G. Vinti}, Ann. Pol. Math. 81, No. 1, 55--71 (2003; Zbl 1019.41013) Full Text: DOI
Anastassiou, George A.; Gal, Sorin G. On global smoothness preservation in complex approximation. (English) Zbl 1013.30021 Ann. Pol. Math. 79, No. 3, 199-205 (2002). Reviewer: Eleonora Storozhenko (Odessa) MSC: 30E10 41A10 41A25 41A63 41A99 PDFBibTeX XMLCite \textit{G. A. Anastassiou} and \textit{S. G. Gal}, Ann. Pol. Math. 79, No. 3, 199--205 (2002; Zbl 1013.30021) Full Text: DOI
Wronicz, Zygmunt On approximation by Chebyshevian box splines. (English) Zbl 0994.41009 Ann. Pol. Math. 78, No. 2, 111-121 (2002). Reviewer: Francisco Perez Acosta (La Laguna) MSC: 41A15 41A63 41A05 41A25 PDFBibTeX XMLCite \textit{Z. Wronicz}, Ann. Pol. Math. 78, No. 2, 111--121 (2002; Zbl 0994.41009) Full Text: DOI
Jakubczyk, B. Convergence of power series along vector fields and their commutators; a Cartan-Kähler type theorem. (English) Zbl 0961.35023 Ann. Pol. Math. 74, 117-132 (2000). Reviewer: J.Diblík (Brno) MSC: 35C10 41A58 93B29 35A10 35G20 PDFBibTeX XMLCite \textit{B. Jakubczyk}, Ann. Pol. Math. 74, 117--132 (2000; Zbl 0961.35023) Full Text: DOI EuDML
Zeng, Xiaoming; Zhao, Junning Pointwise approximation by Meyer-König and Zeller operators. (English) Zbl 0964.41012 Ann. Pol. Math. 73, No. 2, 185-196 (2000). Reviewer: I.Raşa (Cluj-Napoca) MSC: 41A36 41A25 41A10 PDFBibTeX XMLCite \textit{X. Zeng} and \textit{J. Zhao}, Ann. Pol. Math. 73, No. 2, 185--196 (2000; Zbl 0964.41012) Full Text: DOI
Chalmers, Bruce L.; Lewicki, Grzegorz Two-dimensional real symmetric spaces with maximal projection constant. (English) Zbl 0968.41017 Ann. Pol. Math. 73, No. 2, 119-134 (2000). Reviewer: Ioan Şerb (Cluj-Napoca) MSC: 41A65 41A35 47A30 PDFBibTeX XMLCite \textit{B. L. Chalmers} and \textit{G. Lewicki}, Ann. Pol. Math. 73, No. 2, 119--134 (2000; Zbl 0968.41017) Full Text: DOI EuDML
Bloom, Thomas; Calvi, Jean-Paul On the multivariate transfinite diameter. (English) Zbl 0954.32020 Ann. Pol. Math. 72, No. 3, 285-305 (1999). Reviewer: Nguyen Thanh Van MSC: 32U20 32U35 31C15 32E30 41A10 32U05 PDFBibTeX XMLCite \textit{T. Bloom} and \textit{J.-P. Calvi}, Ann. Pol. Math. 72, No. 3, 285--305 (1999; Zbl 0954.32020) Full Text: DOI
Wronicz, Zygmunt On some generalization of box splines. (English) Zbl 0959.41009 Ann. Pol. Math. 72, No. 3, 261-271 (1999). Reviewer: Alexander Tovstolis (Donetsk) MSC: 41A15 41A63 41A05 41A25 PDFBibTeX XMLCite \textit{Z. Wronicz}, Ann. Pol. Math. 72, No. 3, 261--271 (1999; Zbl 0959.41009) Full Text: DOI
Baran, Mirosław Homogeneous extremal function for a ball in \(\mathbb{R}^2\). (English) Zbl 0982.32028 Ann. Pol. Math. 71, No. 2, 141-150 (1999). Reviewer: Yuri A.Brudnyi (Haifa) MSC: 32U05 41A17 31C10 31C15 PDFBibTeX XMLCite \textit{M. Baran}, Ann. Pol. Math. 71, No. 2, 141--150 (1999; Zbl 0982.32028) Full Text: DOI
Seeger, Alberto Smoothing a polyhedral convex function via cumulant transformation and homogenization. (English) Zbl 0908.41008 Ann. Pol. Math. 67, No. 3, 259-268 (1997). Reviewer: H.T.Lau (Verdun/Quebec) MSC: 41A30 49J52 90C25 PDFBibTeX XMLCite \textit{A. Seeger}, Ann. Pol. Math. 67, No. 3, 259--268 (1997; Zbl 0908.41008) Full Text: DOI
Gupta, Vijay; Srivastava, G. S. Approximation by Durrmeyer-type operators. (English) Zbl 0876.41018 Ann. Pol. Math. 64, No. 2, 153-159 (1996). Reviewer: M.Heilmann (Dortmund) MSC: 41A30 41A36 PDFBibTeX XMLCite \textit{V. Gupta} and \textit{G. S. Srivastava}, Ann. Pol. Math. 64, No. 2, 153--159 (1996; Zbl 0876.41018) Full Text: DOI
Campiti, Michele; Metafune, Giorgio \(L^ p\)-convergence of Bernstein-Kantorovich-type operators. (English) Zbl 0848.41017 Ann. Pol. Math. 63, No. 3, 273-280 (1996). MSC: 41A35 41A10 PDFBibTeX XMLCite \textit{M. Campiti} and \textit{G. Metafune}, Ann. Pol. Math. 63, No. 3, 273--280 (1996; Zbl 0848.41017) Full Text: DOI
Zhou, Mi; Anastassiou, George A. Representation formulae for \((C_ 0)\) \(m\)-parameter operator semigroups. (English) Zbl 0862.47019 Ann. Pol. Math. 63, No. 3, 247-272 (1996). MSC: 47D03 47D06 41A36 41A63 60G50 41A65 60H30 41A17 41A80 47A56 PDFBibTeX XMLCite \textit{M. Zhou} and \textit{G. A. Anastassiou}, Ann. Pol. Math. 63, No. 3, 247--272 (1996; Zbl 0862.47019) Full Text: DOI
Bardaro, Carlo; Musielak, Julian; Vinti, Gianluca Approximation by nonlinear integral operators in some modular function spaces. (English) Zbl 0852.46029 Ann. Pol. Math. 63, No. 2, 173-182 (1996). MSC: 46E30 41A46 46A80 45P05 PDFBibTeX XMLCite \textit{C. Bardaro} et al., Ann. Pol. Math. 63, No. 2, 173--182 (1996; Zbl 0852.46029) Full Text: DOI
Anastassiou, George A.; Gonska, Heinz H. On some shift invariant integral operators, univariate case. (English) Zbl 0840.41016 Ann. Pol. Math. 61, No. 3, 225-243 (1995). MSC: 41A35 41A36 41A55 26A15 26A18 41A17 41A25 41A99 60E05 PDFBibTeX XMLCite \textit{G. A. Anastassiou} and \textit{H. H. Gonska}, Ann. Pol. Math. 61, No. 3, 225--243 (1995; Zbl 0840.41016) Full Text: DOI
Baran, Mirosław Markov inequality on sets with polynomial parametrization. (English) Zbl 0824.41014 Ann. Pol. Math. 60, No. 1, 69-79 (1994). Reviewer: R.M.Aron (Kent / Ohio) MSC: 41A17 32U05 31C10 PDFBibTeX XMLCite \textit{M. Baran}, Ann. Pol. Math. 60, No. 1, 69--79 (1994; Zbl 0824.41014) Full Text: DOI
Agrawal, P. N.; Gupta, Vijay A saturation theorem for combinations of Bernstein-Durrmeyer polynomials. (English) Zbl 0766.41025 Ann. Pol. Math. 57, No. 2, 157-164 (1992). Reviewer: M.Heilmann (Dortmund) MSC: 41A40 41A10 41A25 41A36 PDFBibTeX XMLCite \textit{P. N. Agrawal} and \textit{V. Gupta}, Ann. Pol. Math. 57, No. 2, 157--164 (1992; Zbl 0766.41025) Full Text: DOI
Janik, Adam On approximation of analytic functions and generalized orders. (English) Zbl 0754.32002 Ann. Pol. Math. 55, No. 1-3, 163-167 (1991). Reviewer: M.Hervé (Paris) MSC: 32A22 41A25 PDFBibTeX XMLCite \textit{A. Janik}, Ann. Pol. Math. 55, No. 1--3, 163--167 (1991; Zbl 0754.32002) Full Text: DOI
Aragona, J.; Colombeau, J. F. The interpolation theorem for holomorphic generalized functions. (English) Zbl 0691.46031 Ann. Pol. Math. 49, No. 2, 151-156 (1988). Reviewer: A.Kriegl MSC: 46F99 32A30 41A05 PDFBibTeX XMLCite \textit{J. Aragona} and \textit{J. F. Colombeau}, Ann. Pol. Math. 49, No. 2, 151--156 (1988; Zbl 0691.46031) Full Text: DOI
Ciesielski, Z.; Domsta, J. The degenerate B-splines as a basis in the space of algebraic polynomials. (English) Zbl 0643.41008 Ann. Pol. Math. 46, 71-79 (1985). Reviewer: Dayong Cui MSC: 41A15 PDFBibTeX XMLCite \textit{Z. Ciesielski} and \textit{J. Domsta}, Ann. Pol. Math. 46, 71--79 (1985; Zbl 0643.41008) Full Text: DOI
Pleśniak, Wiesław Leja’s type polynomial condition and polynomial approximation in Orlicz spaces. (English) Zbl 0608.46017 Ann. Pol. Math. 46, 265-275 (1985). MSC: 46E30 46G20 41A10 PDFBibTeX XMLCite \textit{W. Pleśniak}, Ann. Pol. Math. 46, 265--275 (1985; Zbl 0608.46017) Full Text: DOI
Wronicz, Zygmunt On some properties of LB-splines. (English) Zbl 0592.41010 Ann. Pol. Math. 46, 379-388 (1985). MSC: 41A15 PDFBibTeX XMLCite \textit{Z. Wronicz}, Ann. Pol. Math. 46, 379--388 (1985; Zbl 0592.41010) Full Text: DOI
Rubinstein, Zalman On a mixed-type interpolation problem for real polynomials. (English) Zbl 0558.41003 Ann. Pol. Math. 44, 177-183 (1984). Reviewer: G.D.Dikshit MSC: 41A05 65D05 54C10 PDFBibTeX XMLCite \textit{Z. Rubinstein}, Ann. Pol. Math. 44, 177--183 (1984; Zbl 0558.41003) Full Text: DOI
Szafraniec, F. H. On interpolation of completely monotonic sequences. (English) Zbl 0535.41006 Ann. Pol. Math. 42, 345-347 (1983). Reviewer: C.Mustăţa MSC: 41A05 PDFBibTeX XMLCite \textit{F. H. Szafraniec}, Ann. Pol. Math. 42, 345--347 (1983; Zbl 0535.41006) Full Text: DOI
Taberski, R. Approximation of functions possessing derivatives of positive orders. (English) Zbl 0353.42001 Ann. Pol. Math. 34, 13-23 (1977). MSC: 42A10 41A25 PDFBibTeX XMLCite \textit{R. Taberski}, Ann. Pol. Math. 34, 13--23 (1977; Zbl 0353.42001) Full Text: DOI
Sadlok, Z.; Tyc, Z. On Hermite expansions of \(x^k\) and \(\ell n| x|\). (English) Zbl 0346.41029 Ann. Pol. Math. 34, 63-68 (1977). MSC: 41A60 33C45 PDFBibTeX XMLCite \textit{Z. Sadlok} and \textit{Z. Tyc}, Ann. Pol. Math. 34, 63--68 (1977; Zbl 0346.41029) Full Text: DOI
Zakharyuta, V. P. Plurisubharmonische Extremalfunktionen, Orthogonalpolynome und der Satz von Bernstein-Walsh für analytische Funktionen mehrerer komplexer Veränderlichen. (Russian) Zbl 0341.32011 Ann. Pol. Math. 33 (Proc. 6th Conf. anal. Funct., Krakow, Sept. 4-11, 1974), 137-148 (1976). MSC: 32U05 32A10 41A50 PDFBibTeX XMLCite \textit{V. P. Zakharyuta}, Ann. Pol. Math. 33, 137--148 (1976; Zbl 0341.32011) Full Text: DOI
Lewandowska, S.; Mikusinski, J. On Hermite expansions of \(1/x\) and 1/\(| x |\). (English) Zbl 0292.41020 Ann. Pol. Math. 29, 167-172 (1974). MSC: 41A60 46F10 PDFBibTeX XMLCite \textit{S. Lewandowska} and \textit{J. Mikusinski}, Ann. Pol. Math. 29, 167--172 (1974; Zbl 0292.41020) Full Text: DOI
Varma, A. K. Concerning the order approximation of periodic continuous functions by trigonometric interpolation polynomials. II. (English) Zbl 0269.41015 Ann. Pol. Math. 28, 327-334 (1973). MSC: 41A25 42A15 PDFBibTeX XMLCite \textit{A. K. Varma}, Ann. Pol. Math. 28, 327--334 (1973; Zbl 0269.41015) Full Text: DOI
Solak, W. An iterative method for solving operator equations. (English) Zbl 0224.41010 Ann. Pol. Math. 25, 221-225 (1971). MSC: 41A65 41A36 PDFBibTeX XMLCite \textit{W. Solak}, Ann. Pol. Math. 25, 221--225 (1971; Zbl 0224.41010) Full Text: DOI
Varma, A. K.; Prasad, J. An analogue of a problem of J. Balázs and P. Turán. II: Inequalities. (English) Zbl 0217.13702 Ann. Pol. Math. 23, 227-245 (1970). MSC: 33C45 41A17 41A10 PDFBibTeX XMLCite \textit{A. K. Varma} and \textit{J. Prasad}, Ann. Pol. Math. 23, 227--245 (1970; Zbl 0217.13702) Full Text: DOI