%0 Journal Article
%A Hoàng Tụy
%T On an axiomatics for extremal problems and first-order necessary conditions
%J Doklady Akademii Nauk
%D 1974
%P 1233-1236
%V 216
%N 6
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1974_216_6_a7/
%G ru
%F DAN_1974_216_6_a7