@article{1206137971,
author = {Onose, Hiroshi},
title = {Some oscillation criteria for $n$th order nonlinear delay-differential equations},
journal = {Hiroshima Math. J.},
volume = {1},
number = {2},
year = {1971},
pages = { 171-176},
language = {en},
url = {http://dml.mathdoc.fr/item/1206137971}
}
Onose, Hiroshi. Some oscillation criteria for $n$th order nonlinear delay-differential equations. Hiroshima Math. J., Tome 1 (1971) no. 2, pp. 171-176. http://gdmltest.u-ga.fr/item/1206137971/