TY  - JOUR
AU  - Guo, Yanping
AU  - Gao, Ying
TI  - The method of upper and lower solutions for a Lidstone boundary value problem
JO  - Czechoslovak Mathematical Journal
PY  - 2005
SP  - 639
EP  - 652
VL  - 55
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/CMJ_2005__55_3_a5/
LA  - en
ID  - CMJ_2005__55_3_a5
ER  -