TY  - JOUR
AU  - Dang Dinh Hai
TI  - Multiple solutions for a nonlinear second order differential equation
JO  - Annales Polonici Mathematici
PY  - 1990
SP  - 161
EP  - 164
VL  - 52
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/ap-52-2-161-164/
DO  - 10.4064/ap-52-2-161-164
LA  - en
ID  - 10_4064_ap_52_2_161_164
ER  -