%0 Journal Article
%A G. A. Stepanyantz
%A B. M. Shamrikov
%T The existence of optimal Ljapunov functions of dynamical systems
%J Doklady Akademii Nauk
%D 1973
%P 1040-1042
%V 213
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1973_213_5_a11/
%G ru
%F DAN_1973_213_5_a11