@article{01431762,
title = {A classification scheme for positive solutions to second order nonlinear iterative differential equations.},
journal = {Electronic Journal of Differential Equations (EJDE) [electronic only]},
volume = {2000},
year = {2000},
zbl = {0946.34059},
language = {en},
url = {http://dml.mathdoc.fr/item/01431762}
}
Fan, Xianling; Li, Wan-Tong; Zhong, Chengkui. A classification scheme for positive solutions to second order nonlinear iterative differential equations.. Electronic Journal of Differential Equations (EJDE) [electronic only], Tome 2000 (2000) . http://gdmltest.u-ga.fr/item/01431762/