TY - JOUR AU - Grove, E. A. AU - Ladas, G. AU - Schinas, J. TI - Sufficient Conditions for the Oscillation of Delay and Neutral Delay Equations JO - Canadian mathematical bulletin PY - 1988 SP - 459 EP - 466 VL - 31 IS - 4 UR - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1988-067-9/ DO - 10.4153/CMB-1988-067-9 ID - 10_4153_CMB_1988_067_9 ER -