%0 Journal Article
%A R. I. Zarosskii
%T On the problem of necessary and sufficient conditions for an absolute minimum
%J Doklady Akademii Nauk
%D 1965
%P 26-29
%V 163
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1965_163_1_a4/
%G ru
%F DAN_1965_163_1_a4