%0 Journal Article %A V. I. Volkov %T On conditions for convergence of sequences of linear positive operators in the space of continuous functions assigned on closed surfaces %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1960 %V 15 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_1960_15_1_a8/ %G ru %F RM_1960_15_1_a8