%0 Journal Article %A Erbe, Lynn %T Oscillation Criteria for Second Order Nonlinear Delay Equations %J Canadian mathematical bulletin %D 1973 %P 49-56 %V 16 %N 1 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-1973-011-1/ %R 10.4153/CMB-1973-011-1 %F 10_4153_CMB_1973_011_1