TY  - JOUR
AU  - Ming-Xing Wang
AU  - Alberto Cabada
AU  - Juan Nieto
TI  - Monotone method for nonlinear second order periodic boundary value problems with Carathéodory functions
JO  - Annales Polonici Mathematici
PY  - 1993
SP  - 221
EP  - 235
VL  - 58
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/ap-58-3-221-235/
DO  - 10.4064/ap-58-3-221-235
LA  - en
ID  - 10_4064_ap_58_3_221_235
ER  -