%0 Journal Article
%A Yu. G. Borisovich
%A V. F. Subbotin
%T The displacement operator on the trajectories of equations of evolution, and periodic solutions
%J Doklady Akademii Nauk
%D 1967
%P 9-12
%V 175
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1967_175_1_a0/
%G ru
%F DAN_1967_175_1_a0