@article{01310484, title = {Oscillation and nonoscillation in delay or advanced differential equations and in integrodifferential equations.}, journal = {Georgian Mathematical Journal}, volume = {6}, year = {1999}, pages = {263-284}, doi = {10.1023/A:1022135230680}, zbl = {0930.34050}, language = {en}, url = {http://dml.mathdoc.fr/item/01310484} }
Kordonis, I.-G.E.; Philos, Ch.G. Oscillation and nonoscillation in delay or advanced differential equations and in integrodifferential equations.. Georgian Mathematical Journal, Tome 6 (1999) pp. 263-284. doi : 10.1023/A:1022135230680. http://gdmltest.u-ga.fr/item/01310484/