%0 Journal Article
%A V. A. Pliss
%T On separatrices of periodic saddle motions for periodic systems of second-order differential equations
%J Doklady Akademii Nauk
%D 1971
%P 275-276
%V 197
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1971_197_2_a6/
%G ru
%F DAN_1971_197_2_a6