%0 Journal Article
%A Mehri, Bahman
%T On the existence of periodic boundary conditions for nonlinear second order differential equations
%J Časopis pro pěstování matematiky
%D 1976
%P 256-262
%V 101
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.21136/CPM.1976.117918/
%R 10.21136/CPM.1976.117918
%G en
%F 10_21136_CPM_1976_117918