TY  - JOUR
AU  - Cheng, Yi-Hsin
AU  - Wu, Tsung-Fang
TI  - Existence and multiplicity of positive solutions for indefinite semilinear elliptic problems in $\Bbb R^N$
JO  - Electronic Journal of Differential Equations
PY  - 2014
VL  - 2014
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/EJDE_2014__2014__a98/
LA  - en
ID  - EJDE_2014__2014__a98
ER  -