%0 Journal Article
%A A. I. Perov
%T Periodical, almost periodical and bounded solutions to differential equation $dx/dt=f(t,x)$
%J Doklady Akademii Nauk
%D 1960
%P 531-534
%V 132
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1960_132_3_a11/
%G ru
%F DAN_1960_132_3_a11