@article{1102983610,
author = {Erbe, Lynn H.},
title = {Nonoscillatory solutions of second order nonlinear differential equations.},
journal = {Pacific J. Math.},
volume = {31},
number = {3},
year = {1969},
pages = { 77-85},
language = {en},
url = {http://dml.mathdoc.fr/item/1102983610}
}
Erbe, Lynn H. Nonoscillatory solutions of second order nonlinear differential equations.. Pacific J. Math., Tome 31 (1969) no. 3, pp. 77-85. http://gdmltest.u-ga.fr/item/1102983610/