@article{02075160,
title = {Oscillation criteria for second-order nonlinear differential equations with damping term.},
journal = {Georgian Mathematical Journal},
volume = {10},
year = {2003},
pages = {771-784},
zbl = {1052.34041},
language = {en},
url = {http://dml.mathdoc.fr/item/02075160}
}
Wang, Qi-Ru. Oscillation criteria for second-order nonlinear differential equations with damping term.. Georgian Mathematical Journal, Tome 10 (2003) pp. 771-784. http://gdmltest.u-ga.fr/item/02075160/