TY  - JOUR
AU  - G. Chobanov
TI  - Existence for Landesman-Lazer Boundary Value Problems via Variational Inequalities
JO  - Mathematica balkanica
PY  - 1999
SP  - 235
VL  - 13
IS  - 3-4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MABA_1999_13_3-4_a4/
ID  - MABA_1999_13_3-4_a4
ER  -