@article{05816464,
title = {Oscillation criteria for second-order delay, difference, and functional equations.},
journal = {International Journal of Differential Equations},
volume = {2010},
year = {2010},
doi = {10.1155/2010/598068},
zbl = {1207.34082},
language = {en},
url = {http://dml.mathdoc.fr/item/05816464}
}
Kikina, L.K.; Stavroulakis, I.P. Oscillation criteria for second-order delay, difference, and functional equations.. International Journal of Differential Equations, Tome 2010 (2010) . doi : 10.1155/2010/598068. http://gdmltest.u-ga.fr/item/05816464/