@article{urn:eudml:doc:42637,
title = {Oscillation of first order neutral diferential equations with positive and negative coefficients.},
journal = {Collectanea Mathematica},
volume = {50},
year = {1999},
pages = {199-209},
zbl = {0935.34055},
mrnumber = {MR1706239},
language = {en},
url = {http://dml.mathdoc.fr/item/urn:eudml:doc:42637}
}
Li, Wantong; Yan, Jurang. Oscillation of first order neutral diferential equations with positive and negative coefficients.. Collectanea Mathematica, Tome 50 (1999) pp. 199-209. http://gdmltest.u-ga.fr/item/urn:eudml:doc:42637/