On the best linear approximation of holomorphic functions. (English. Russian original) Zbl 1355.30035
J. Math. Sci., New York 218, No. 5, 678-698 (2016); translation from Fundam. Prikl. Mat. 19, No. 5, 185-212 (2014).
Reviewer: Devendra Kumar (Al-Baha)