%0 Journal Article
%A M. A. Aizerman
%A F. R. Gantmakher
%T Stability by means of a linear approximation of periodic solutions of a system of differential equations 

%J Doklady Akademii Nauk
%D 1957
%P 527-530
%V 116
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1957_116_4_a0/
%G ru
%F DAN_1957_116_4_a0