%0 Journal Article %A L. G. Labsker %T On strong convergence of sequences of positive linear operators in Banach spaces %J Doklady Akademii Nauk %D 1972 %P 525-528 %V 206 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1972_206_3_a1/ %G ru %F DAN_1972_206_3_a1