Buslaev, Viktor I. On a lower bound for the rate of convergence of multipoint Padé approximants of piecewise analytic functions. (English. Russian original) Zbl 1469.30079 Izv. Math. 85, No. 3, 351-366 (2021); translation from Izv. Ross. Akad. Nauk, Ser. Mat. 85, No. 3, 13-29 (2021). Reviewer: Konstantin Malyutin (Kursk) MSC: 30E10 41A21 41A25 41A28 PDFBibTeX XMLCite \textit{V. I. Buslaev}, Izv. Math. 85, No. 3, 351--366 (2021; Zbl 1469.30079); translation from Izv. Ross. Akad. Nauk, Ser. Mat. 85, No. 3, 13--29 (2021) Full Text: DOI
Buslaev, Viktor I. Necessary and sufficient conditions for extending a function to a Schur function. (English. Russian original) Zbl 1461.30084 Sb. Math. 211, No. 12, 1660-1703 (2020); translation from Mat. Sb. 211, No. 12, 3-48 (2020). MSC: 30E05 30H05 30B70 PDFBibTeX XMLCite \textit{V. I. Buslaev}, Sb. Math. 211, No. 12, 1660--1703 (2020; Zbl 1461.30084); translation from Mat. Sb. 211, No. 12, 3--48 (2020) Full Text: DOI
Buslaev, V. I. Convergence of a limit periodic Schur continued fraction. (English. Russian original) Zbl 1466.40001 Math. Notes 107, No. 5, 701-712 (2020); translation from Mat. Zametki 107, No. 5, 643-656 (2020). Reviewer: Jürgen Müller (Trier) MSC: 40A15 30B70 30D99 PDFBibTeX XMLCite \textit{V. I. Buslaev}, Math. Notes 107, No. 5, 701--712 (2020; Zbl 1466.40001); translation from Mat. Zametki 107, No. 5, 643--656 (2020) Full Text: DOI
Buslaev, V. I. Schur’s criterion for formal power series. (English. Russian original) Zbl 1461.30007 Sb. Math. 210, No. 11, 1563-1580 (2019); translation from Mat. Sb. 210, No. 11, 58-75 (2019). MSC: 30B10 30B70 PDFBibTeX XMLCite \textit{V. I. Buslaev}, Sb. Math. 210, No. 11, 1563--1580 (2019; Zbl 1461.30007); translation from Mat. Sb. 210, No. 11, 58--75 (2019) Full Text: DOI
Buslaev, V. I. On the Van Vleck theorem for limit-periodic continued fractions of general form. (English. Russian original) Zbl 1394.30001 Proc. Steklov Inst. Math. 298, 68-93 (2017); translation from Tr. Mat. Inst. Steklova 298, 75-100 (2017). Reviewer: Michael M. Pahirya (Mukachevo) MSC: 30B70 40A15 PDFBibTeX XMLCite \textit{V. I. Buslaev}, Proc. Steklov Inst. Math. 298, 68--93 (2017; Zbl 1394.30001); translation from Tr. Mat. Inst. Steklova 298, 75--100 (2017) Full Text: DOI