%0 Journal Article
%A N. A. Bogatyreva
%A E. S. Pyatnitskii
%T The minimax principle of mechanics and its application to optimal
%J Doklady Akademii Nauk
%D 1989
%P 533-537
%V 304
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1989_304_3_a3/
%G ru
%F DAN_1989_304_3_a3