Berdyshev, Vitalii I.; Chernykh, Nikolai I.; Babenko, Alexander G.; Akopyan, Roman R. On the 75th birthday of Professor Vitalii Vladimirovich Arestov. (English) Zbl 1448.01019 Ural Math. J. 4, No. 2, 3-5 (2018). MSC: 01A70 PDF BibTeX XML Cite \textit{V. I. Berdyshev} et al., Ural Math. J. 4, No. 2, 3--5 (2018; Zbl 1448.01019) Full Text: DOI MNR OpenURL
Akopyan, Roman R. Approximation of the differentiation operator on the class of functions analytic in an annulus. (English) Zbl 1448.41028 Ural Math. J. 3, No. 2, 6-13 (2017). MSC: 41A65 30H10 41A50 PDF BibTeX XML Cite \textit{R. R. Akopyan}, Ural Math. J. 3, No. 2, 6--13 (2017; Zbl 1448.41028) Full Text: DOI MNR OpenURL