%0 Journal Article %A P. P. Korovkin %T Convergent sequences of linear operators %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1962 %V 17 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_1962_17_4_a9/ %G ru %F RM_1962_17_4_a9