@article{05791620, title = {On the critical case in oscillation for differential equations with a single delay and with several delays.}, journal = {Abstract and Applied Analysis}, volume = {2010}, year = {2010}, doi = {10.1155/2010/417869}, zbl = {1209.34080}, language = {en}, url = {http://dml.mathdoc.fr/item/05791620} }
Baštinec, Jaromír; Berezansky, Leonid; Diblík, Josef; Šmarda, Zdeněk. On the critical case in oscillation for differential equations with a single delay and with several delays.. Abstract and Applied Analysis, Tome 2010 (2010) . doi : 10.1155/2010/417869. http://gdmltest.u-ga.fr/item/05791620/