%0 Journal Article %A Erbe, L. H. %A Xia, H. X. %A Wu, J. H. %T Nonoscillation of Second Order Superlinear Differential Equations %J Canadian mathematical bulletin %D 1994 %P 178-186 %V 37 %N 2 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-1994-027-6/ %R 10.4153/CMB-1994-027-6 %F 10_4153_CMB_1994_027_6