TY  - JOUR
AU  - Fučík, Svatopluk
TI  - Nonlinear equations with linear part at resonance: Variational approach
JO  - Commentationes Mathematicae Universitatis Carolinae
PY  - 1977
SP  - 723
EP  - 734
VL  - 18
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/CMUC_1977__18_4_a8/
LA  - en
ID  - CMUC_1977__18_4_a8
ER  -