%0 Journal Article
%A B. D. Gel'man
%T The topological characteristic of multivalued mappings and fixed-point theorems
%J Doklady Akademii Nauk
%D 1975
%P 524-527
%V 221
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1975_221_3_a3/
%G ru
%F DAN_1975_221_3_a3