@article{01017000,
title = {Oscillation and nonoscillation criteria for second-order linear differential equations.},
journal = {Georgian Mathematical Journal},
volume = {4},
year = {1997},
pages = {129-138},
doi = {10.1023/A:1022978000000},
zbl = {0877.34029},
language = {en},
url = {http://dml.mathdoc.fr/item/01017000}
}
Lomtatidze, A. Oscillation and nonoscillation criteria for second-order linear differential equations.. Georgian Mathematical Journal, Tome 4 (1997) pp. 129-138. doi : 10.1023/A:1022978000000. http://gdmltest.u-ga.fr/item/01017000/