@article{05888148,
title = {Oscillatory periodic solutions for two differential-difference equations arising in applications.},
journal = {Abstract and Applied Analysis},
volume = {2011},
year = {2011},
doi = {10.1155/2011/635926},
zbl = {1217.34113},
language = {en},
url = {http://dml.mathdoc.fr/item/05888148}
}
Cheng, Rong. Oscillatory periodic solutions for two differential-difference equations arising in applications.. Abstract and Applied Analysis, Tome 2011 (2011) . doi : 10.1155/2011/635926. http://gdmltest.u-ga.fr/item/05888148/