%0 Journal Article
%A Ming-Xing Wang
%A Alberto Cabada
%A Juan Nieto
%T Monotone method for nonlinear second order periodic boundary value problems with Carathéodory functions
%J Annales Polonici Mathematici
%D 1993
%P 221-235
%V 58
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.4064/ap-58-3-221-235/
%R 10.4064/ap-58-3-221-235
%G en
%F 10_4064_ap_58_3_221_235