%0 Journal Article
%A N. V. Velichko
%T Extension of mappings of toplogical spaces
%J Doklady Akademii Nauk
%D 1967
%P 1255-1258
%V 177
%N 6
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1967_177_6_a0/
%G ru
%F DAN_1967_177_6_a0