@article{00700374, title = {On the oscillation of solutions of first-order delay differential inequalities and equations.}, journal = {Georgian Mathematical Journal}, volume = {1}, year = {1994}, pages = {675-685}, doi = {10.1007/BF02254685}, zbl = {0810.34068}, language = {en}, url = {http://dml.mathdoc.fr/item/00700374} }
Koplatadze, R.; Kvinikadze, G. On the oscillation of solutions of first-order delay differential inequalities and equations.. Georgian Mathematical Journal, Tome 1 (1994) pp. 675-685. doi : 10.1007/BF02254685. http://gdmltest.u-ga.fr/item/00700374/