TY  - JOUR
AU  - Marino Badiale
TI  - Infinitely many solutions for a semilinear
 elliptic equation in ${\Bbb R}^N$ via a perturbation method
JO  - Annales Polonici Mathematici
PY  - 2002
SP  - 139
EP  - 156
VL  - 79
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/ap79-2-5/
DO  - 10.4064/ap79-2-5
LA  - en
ID  - 10_4064_ap79_2_5
ER  -