%0 Journal Article
%A A. I. Fet
%T Absolute minimum in a two-dimensional parametric problem on a manifold
%J Doklady Akademii Nauk
%D 1957
%P 1224-1226
%V 113
%N 6
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1957_113_6_a9/
%G ru
%F DAN_1957_113_6_a9