TY - JOUR AU - Grace, S. R. AU - Lalli, B. S. TI - An Oscillation Criterion for nth Order Non-Linear Differential Equations with Functional Arguments JO - Canadian mathematical bulletin PY - 1983 SP - 35 EP - 40 VL - 26 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1983-006-0/ DO - 10.4153/CMB-1983-006-0 ID - 10_4153_CMB_1983_006_0 ER -