@article{1102994274,
author = {Waltman, Paul},
title = {Oscillation criteria for third order nonlinear differential equations.},
journal = {Pacific J. Math.},
volume = {19},
number = {3},
year = {1966},
pages = { 385-389},
language = {en},
url = {http://dml.mathdoc.fr/item/1102994274}
}
Waltman, Paul. Oscillation criteria for third order nonlinear differential equations.. Pacific J. Math., Tome 19 (1966) no. 3, pp. 385-389. http://gdmltest.u-ga.fr/item/1102994274/