TY  - JOUR
AU  - Ma, Ruyun
AU  - Chen, Ruipeng
TI  - Existence of one-signed solutions of nonlinear four-point boundary value problems
JO  - Czechoslovak Mathematical Journal
PY  - 2012
SP  - 593
EP  - 612
VL  - 62
IS  - 3
PB  - mathdoc
UR  - https://geodesic-test.mathdoc.fr/articles/10.1007/s10587-012-0052-3/
DO  - 10.1007/s10587-012-0052-3
LA  - en
ID  - 10_1007_s10587_012_0052_3
ER  -