%0 Journal Article
%A A. G. Kusraev
%T On necessary conditions for an extremum of nonsmooth vector-valued mappings
%J Doklady Akademii Nauk
%D 1978
%P 44-47
%V 242
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1978_242_1_a9/
%G ru
%F DAN_1978_242_1_a9