TY  - JOUR
AU  - Constantin P. Niculescu
AU  - Vicentiu Radulescu
TI  - A saddle point theorem for non-smooth functionals and problems at resonance
JO  - Annales Fennici Mathematici
PY  - 1996
SP  - 117
EP  - 131
VL  - 21
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/AFM_1996_21_1_a8/
LA  - en
ID  - AFM_1996_21_1_a8
ER  -