@article{00794337, title = {On proper oscillatory and vanishing-at-infinity solutions of differential equations with a deviating argument.}, journal = {Georgian Mathematical Journal}, volume = {2}, year = {1995}, pages = {395-418}, doi = {10.1007/BF02255988}, zbl = {0832.34061}, language = {en}, url = {http://dml.mathdoc.fr/item/00794337} }
Kiguradze, I.; Chichua, D. On proper oscillatory and vanishing-at-infinity solutions of differential equations with a deviating argument.. Georgian Mathematical Journal, Tome 2 (1995) pp. 395-418. doi : 10.1007/BF02255988. http://gdmltest.u-ga.fr/item/00794337/