@article{1250129554,
author = {Willett, D.},
title = {Differential inequalities and the asymptotics of second order nonlinear differential equations},
journal = {Rocky Mountain J. Math.},
volume = {8},
number = {4},
year = {1978},
pages = { 447-458},
language = {en},
url = {http://dml.mathdoc.fr/item/1250129554}
}
Willett, D. Differential inequalities and the asymptotics of second order nonlinear differential equations. Rocky Mountain J. Math., Tome 8 (1978) no. 4, pp. 447-458. http://gdmltest.u-ga.fr/item/1250129554/