@article{1206135556,
author = {Kartsatos, Athanassios G.},
title = {Oscillation and nonoscillation for perturbed differential equations},
journal = {Hiroshima Math. J.},
volume = {8},
number = {3},
year = {1978},
pages = { 1-10},
language = {en},
url = {http://dml.mathdoc.fr/item/1206135556}
}
Kartsatos, Athanassios G. Oscillation and nonoscillation for perturbed differential equations. Hiroshima Math. J., Tome 8 (1978) no. 3, pp. 1-10. http://gdmltest.u-ga.fr/item/1206135556/