In the paper ordinary neutral differential equations with ?maxima? are considered. Sufficient conditions for oscillation of all solutions are obtained.
@article{urn:eudml:doc:44184, title = {Oscillation of neutral differential equations with maxima.}, journal = {Revista Matem\'atica de la Universidad Complutense de Madrid}, volume = {8}, year = {1995}, pages = {171-180}, zbl = {0836.34076}, mrnumber = {MR1356441}, language = {en}, url = {http://dml.mathdoc.fr/item/urn:eudml:doc:44184} }
Bainov, D.; Petrov, V.; Proicheva, V. Oscillation of neutral differential equations with maxima.. Revista Matemática de la Universidad Complutense de Madrid, Tome 8 (1995) pp. 171-180. http://gdmltest.u-ga.fr/item/urn:eudml:doc:44184/