TY  - JOUR
AU  - Cabada, Alberto
TI  - The method of lower and upper solutions for th-order periodic boundary value problems.
JO  - International Journal of Stochastic Analysis
PY  - 1994
SP  - 33
VL  - 7
IS  - 1
PB  - mathdoc
UR  - https://geodesic-test.mathdoc.fr/articles/10.1155/S1048953394000043/
DO  - 10.1155/S1048953394000043
LA  - en
ID  - 10_1155_S1048953394000043
ER  -