TY  - JOUR
AU  - Saeid Shokooh
TI  - Multiplicity results for a non-homogeneous Neumann problem via a variational principle of Ricceri
JO  - Minimax theory and its applications
PY  - 2017
VL  - 2
IS  - 2
UR  - http://geodesic.mathdoc.fr/item/MTA_2017_2_2_a2/
ID  - MTA_2017_2_2_a2
ER  -