Dzagnidze, O. \({\mathbb C}^2\)-differentiability of quaternion functions and their representation by integrals and series. (English) Zbl 1332.30074 Proc. A. Razmadze Math. Inst. 167, 19-27 (2015). MSC: 30G35 PDFBibTeX XMLCite \textit{O. Dzagnidze}, Proc. A. Razmadze Math. Inst. 167, 19--27 (2015; Zbl 1332.30074)
Dzagnidze, O. On the behaviour of series, obtained by termwise integration of double trigonometric series. (English) Zbl 1311.42014 Proc. A. Razmadze Math. Inst. 166, 31-48 (2014). MSC: 42B05 PDFBibTeX XMLCite \textit{O. Dzagnidze}, Proc. A. Razmadze Math. Inst. 166, 31--48 (2014; Zbl 1311.42014)
Dzagnidze, O. Representing summable functions of two variables by double exponential Fourier series. (English) Zbl 1287.42006 Proc. A. Razmadze Math. Inst. 162, 127-129 (2013). MSC: 42B05 42B08 PDFBibTeX XMLCite \textit{O. Dzagnidze}, Proc. A. Razmadze Math. Inst. 162, 127--129 (2013; Zbl 1287.42006)
Dzagnidze, O. Integration of double Fourier trigonometric series. (English) Zbl 1232.42009 Proc. A. Razmadze Math. Inst. 155, 110-112 (2011). Reviewer: Vitaly Vladimirovich Volchkov (Donetsk) MSC: 42B05 PDFBibTeX XMLCite \textit{O. Dzagnidze}, Proc. A. Razmadze Math. Inst. 155, 110--112 (2011; Zbl 1232.42009)
Dzagnidze, O. Necessary and sufficient conditions for \(\mathbb C^n\)-differentiability and the Hartogs main theorem. (English) Zbl 1127.32001 Proc. A. Razmadze Math. Inst. 138, 103-105 (2005). MSC: 32A10 PDFBibTeX XMLCite \textit{O. Dzagnidze}, Proc. A. Razmadze Math. Inst. 138, 103--105 (2005; Zbl 1127.32001) Full Text: Link
Dzagnidze, O. Relation between the continuity of a gradient of a function and the finiteness of its strong gradient. (English) Zbl 1090.26011 Proc. A. Razmadze Math. Inst. 135, 57-59 (2004). Reviewer: Solomon Marcus (Bucureşti) MSC: 26B30 26B05 PDFBibTeX XMLCite \textit{O. Dzagnidze}, Proc. A. Razmadze Math. Inst. 135, 57--59 (2004; Zbl 1090.26011)
Dzagnidze, O. Some new results on the continuity and differentiability of functions of several real variables. (English) Zbl 1076.26009 Proc. A. Razmadze Math. Inst. 134, 138 p. (2004). Reviewer: Solomon Marcus (Bucureşti) MSC: 26B05 26B30 26B15 26-02 PDFBibTeX XMLCite \textit{O. Dzagnidze}, Proc. A. Razmadze Math. Inst. 134, 138 p. (2004; Zbl 1076.26009)
Dzagnidze, O.; Oniani, G. On one analogue of Lebesgue theorem on the differentiation of indefinite integral for functions of several variables. (English) Zbl 1054.26501 Proc. A. Razmadze Math. Inst. 133, 1-5 (2003). MSC: 26B05 26B30 PDFBibTeX XMLCite \textit{O. Dzagnidze} and \textit{G. Oniani}, Proc. A. Razmadze Math. Inst. 133, 1--5 (2003; Zbl 1054.26501)
Dzagnidze, O.; Oniani, G. On one analogue of Lebesgue theorem on the differentiation of indefinite integral for functions of several variables. (English) Zbl 1054.26500 Proc. A. Razmadze Math. Inst. 132, 139-140 (2003). MSC: 26B05 PDFBibTeX XMLCite \textit{O. Dzagnidze} and \textit{G. Oniani}, Proc. A. Razmadze Math. Inst. 132, 139--140 (2003; Zbl 1054.26500)
Dzagnidze, O. Unilateral in various senses: the limit, continuity, partial derivative and the differential for functions of two variables. (English) Zbl 1090.26005 Proc. A. Razmadze Math. Inst. 129, 1-15 (2002). Reviewer: Solomon Marcus (Bucureşti) MSC: 26B05 PDFBibTeX XMLCite \textit{O. Dzagnidze}, Proc. A. Razmadze Math. Inst. 129, 1--15 (2002; Zbl 1090.26005)
Dzagnidze, O. The continuity and the limit in the wide. Their connection with the continuity and limit. (English) Zbl 1027.26009 Proc. A. Razmadze Math. Inst. 128, 37-46 (2002). Reviewer: Maria Jesus Chasco (Pamplona) MSC: 26B05 PDFBibTeX XMLCite \textit{O. Dzagnidze}, Proc. A. Razmadze Math. Inst. 128, 37--46 (2002; Zbl 1027.26009)
Dzagnidze, O. On the limit and continuity of functions of several variables. (English) Zbl 0999.26006 Proc. A. Razmadze Math. Inst. 124, 23-29 (2000). Reviewer: Maria Jesus Chasco (Pamplona) MSC: 26B05 PDFBibTeX XMLCite \textit{O. Dzagnidze}, Proc. A. Razmadze Math. Inst. 124, 23--29 (2000; Zbl 0999.26006)
Dzagnidze, O. A necessary and sufficient condition for differentiability [of] functions of several variables. (English) Zbl 0971.26007 Proc. A. Razmadze Math. Inst. 123, 23-29 (2000). MSC: 26B05 PDFBibTeX XMLCite \textit{O. Dzagnidze}, Proc. A. Razmadze Math. Inst. 123, 23--29 (2000; Zbl 0971.26007)
Dzagnidze, O. P. On angular limits of derivatives of the Poisson integral at the poles of a sphere. (Russian. English summary) Zbl 0864.31004 Tr. Tbilis. Mat. Inst. Razmadze 98, 99-111 (1991). MSC: 31B25 42A16 26B40 PDFBibTeX XMLCite \textit{O. P. Dzagnidze}, Proc. A. Razmadze Math. Inst. 98, 99--111 (1991; Zbl 0864.31004)
Dzagnidze, O. P. Boundary values of derivatives of the Poisson integral for a sphere and representation of functions of two variables. (Russian. English summary) Zbl 0864.31003 Tr. Tbilis. Mat. Inst. Razmadze 98, 52-98 (1991). MSC: 31B25 42A16 26B40 PDFBibTeX XMLCite \textit{O. P. Dzagnidze}, Proc. A. Razmadze Math. Inst. 98, 52--98 (1991; Zbl 0864.31003)
Dzagnidze, O. P. On the mixed derivative of the Poisson integral. (Russian) Zbl 0696.31012 Tr. Tbilis. Mat. Inst. Razmadze 86, 24-39 (1987). Reviewer: Yu.M.Ryzhov MSC: 31B25 31B05 PDFBibTeX XMLCite \textit{O. P. Dzagnidze}, Proc. A. Razmadze Math. Inst. 86, 24--39 (1987; Zbl 0696.31012)
Dzagnidze, O. P. Partial derivatives with boundary behavior and a variation of the Poisson integral. (Russian) Zbl 0592.42010 Tr. Tbilis. Mat. Inst. Razmadze 76, 18-39 (1985). Reviewer: A.L.Brodskij MSC: 42A50 PDFBibTeX XMLCite \textit{O. P. Dzagnidze}, Proc. A. Razmadze Math. Inst. 76, 18--39 (1985; Zbl 0592.42010)
Dzagnidze, O. P. On certain integral inequalities. (Russian) Zbl 0529.30031 Tr. Tbilis. Mat. Inst. Razmadze 69, 38-50 (1982). MSC: 30D55 31B05 PDFBibTeX XMLCite \textit{O. P. Dzagnidze}, Proc. A. Razmadze Math. Inst. 69, 38--50 (1982; Zbl 0529.30031)
Dzagnidze, O. P. \(L^ 2-\)Approximation vermittels Hartogs-Laurentscher und Hartogs- Fourierscher Polynome. (Russian) Zbl 0455.42006 Tr. Tbilis. Mat. Inst. Razmadze 65, 73-84 (1980). MSC: 42A20 32A10 42A10 PDFBibTeX XMLCite \textit{O. P. Dzagnidze}, Proc. A. Razmadze Math. Inst. 65, 73--84 (1980; Zbl 0455.42006)
Dzagnidze, O. P. Ungleichungen von M. Riesz, A. Kolmogorov und A. Zygmund für Funktionen der Fedorov-Smirnovschen Klasse. (Russian) Zbl 0453.31002 Tr. Tbilis. Mat. Inst. Razmadze 65, 51-64 (1980). MSC: 31A05 31C99 PDFBibTeX XMLCite \textit{O. P. Dzagnidze}, Proc. A. Razmadze Math. Inst. 65, 51--64 (1980; Zbl 0453.31002)
Dzagnidze, O. P. Theorems of Plessner and Meier for harmonic functions of Fedorov-Smirnov class. (Russian) Zbl 0451.31012 Tr. Tbilis. Mat. Inst. Razmadze 65, 65-72 (1980). MSC: 31B25 31A05 PDFBibTeX XMLCite \textit{O. P. Dzagnidze}, Proc. A. Razmadze Math. Inst. 65, 65--72 (1980; Zbl 0451.31012)
Dzagnidze, O. P. Über einige Randeigenschaften von Funktionen, die in der Kugel harmonisch sind. (Russian) Zbl 0278.31005 Tr. Tbilis. Mat. Inst. Razmadze 42, 65-77 (1972). MSC: 31B05 31B25 PDFBibTeX XMLCite \textit{O. P. Dzagnidze}, Proc. A. Razmadze Math. Inst. 42, 65--77 (1972; Zbl 0278.31005)