@article{05841792,
title = {Oscillation properties of a class of second order equations with variable coefficients.},
journal = {Novi Sad Journal of Mathematics},
volume = {38},
year = {2008},
pages = {113-119},
zbl = {1224.34216},
language = {en},
url = {http://dml.mathdoc.fr/item/05841792}
}
Petrova, Zornitza. Oscillation properties of a class of second order equations with variable coefficients.. Novi Sad Journal of Mathematics, Tome 38 (2008) pp. 113-119. http://gdmltest.u-ga.fr/item/05841792/