TY  - JOUR
AU  - Zhuang,  Rong-Kun
TI  - Annulus oscillation criteria for second order nonlinear elliptic differential equations with damping
JO  - Electronic journal of differential equations
PY  - 2009
VL  - 2009
UR  - http://geodesic.mathdoc.fr/item/EJDE_2009__2009__a105/
LA  - en
ID  - EJDE_2009__2009__a105
ER  -