%0 Journal Article %A Grace, S. R. %A Lalli, B. S. %T An Oscillation Criterion for nth Order Non-Linear Differential Equations with Functional Arguments %J Canadian mathematical bulletin %D 1983 %P 35-40 %V 26 %N 1 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-1983-006-0/ %R 10.4153/CMB-1983-006-0 %F 10_4153_CMB_1983_006_0