@article{01330895, title = {Oscillation and nonoscillation criteria for a second-order linear equation.}, journal = {Georgian Mathematical Journal}, volume = {6}, year = {1999}, pages = {401-414}, doi = {10.1023/A:1022911815254}, zbl = {0944.34025}, language = {en}, url = {http://dml.mathdoc.fr/item/01330895} }
Chantladze, T.; Kandelaki, N.; Lomtatidze, A. Oscillation and nonoscillation criteria for a second-order linear equation.. Georgian Mathematical Journal, Tome 6 (1999) pp. 401-414. doi : 10.1023/A:1022911815254. http://gdmltest.u-ga.fr/item/01330895/