%0 Journal Article
%A E. G. Gol'shtein
%T A certain class of non-linear extremum problems
%J Doklady Akademii Nauk
%D 1960
%P 507-510
%V 133
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1960_133_3_a1/
%G ru
%F DAN_1960_133_3_a1