TY  - JOUR
AU  - Zhang, Zhenguo
AU  - Wang, Chunjiao
AU  - Li, Qiaoluan
AU  - Li, Fang
TI  - Throughout positive solutions of second-order nonlinear differential equations
JO  - Electronic Journal of Differential Equations
PY  - 2005
VL  - 2005
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/EJDE_2005__2005__a34/
LA  - en
ID  - EJDE_2005__2005__a34
ER  -