%0 Journal Article %A A. D. Gorbunov %T On a criterion for the existence of fixed points of a continuous operator on a function space %J Doklady Akademii Nauk %D 1976 %P 781-783 %V 227 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1976_227_4_a1/ %G ru %F DAN_1976_227_4_a1