@article{EJDE_2003__2003__a68, author = {Berezansky, Leonid and Braverman, Elena}, title = {Oscillation for equations with positive and negative coefficients and distributed delay. {II:} {Applications}}, journal = {Electronic journal of differential equations}, year = {2003}, volume = {2003}, zbl = {1045.34040}, language = {en}, url = {http://geodesic.mathdoc.fr/item/EJDE_2003__2003__a68/} }