Some oscillation theorems are established for thesecond-order linear neutral differential equations of mixed type$$\left(r(t)[x(t)+p_1(t)x(t-\sigma_1)+p_2(t)x(t+\sigma_2)]'\right)'+q_1(t)x(t-\sigma_3)+q_2(t)x(t+\sigma_4)=0.$$Several examples are also provided to illustrate the main results.
@article{106,
title = {Oscillation results for second-order neutral differential equations of mixed type},
journal = {Tatra Mountains Mathematical Publications},
volume = {49},
year = {2011},
doi = {10.2478/tatra.v48i0.106},
language = {EN},
url = {http://dml.mathdoc.fr/item/106}
}
Li, Tongxing; Baculíková, Blanka; Džurina, Jozef. Oscillation results for second-order neutral differential equations of mixed type. Tatra Mountains Mathematical Publications, Tome 49 (2011) . doi : 10.2478/tatra.v48i0.106. http://gdmltest.u-ga.fr/item/106/