%0 Journal Article
%A M. A. Krasnosel'skii
%A J. Moven
%A A. V. Pokrovskii
%T New theorems on forced periodic oscillations and bounded
%J Doklady Akademii Nauk
%D 1991
%P 491-495
%V 321
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1991_321_3_a11/
%G ru
%F DAN_1991_321_3_a11