TY  - JOUR
AU  - Lingbin Kong
AU  - Daqing Jiang
TI  - Multiple positive solutions of a nonlinear fourth order periodic boundary value problem
JO  - Annales Polonici Mathematici
PY  - 1998
SP  - 265
EP  - 270
VL  - 69
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/ap-69-3-265-270/
DO  - 10.4064/ap-69-3-265-270
LA  - en
ID  - 10_4064_ap_69_3_265_270
ER  -