@article{00770109,
title = {Kneser-type oscillation criteria for selfadjoint two-term differential equations.},
journal = {Georgian Mathematical Journal},
volume = {2},
year = {1995},
pages = {241-258},
doi = {10.1007/BF02261699},
zbl = {0827.34019},
language = {en},
url = {http://dml.mathdoc.fr/item/00770109}
}
Došlý, Ondřej; Osička, Jan. Kneser-type oscillation criteria for selfadjoint two-term differential equations.. Georgian Mathematical Journal, Tome 2 (1995) pp. 241-258. doi : 10.1007/BF02261699. http://gdmltest.u-ga.fr/item/00770109/