TY  - JOUR
AU  - Fečkan, Michal
TI  - Existence of nonzero nonnegative solutions of semilinear equations at resonance
JO  - Commentationes Mathematicae Universitatis Carolinae
PY  - 1998
SP  - 709
EP  - 719
VL  - 39
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/CMUC_1998__39_4_a6/
LA  - en
ID  - CMUC_1998__39_4_a6
ER  -