%0 Journal Article %A A. N. Firsov %T Weakly compact sets and fixed points of nonexpansive mappings in a Banach space %J Doklady Akademii Nauk %D 1980 %P 559-561 %V 254 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1980_254_3_a10/ %G ru %F DAN_1980_254_3_a10