TY - JOUR AU - Ch. G. Philios TI - Oscillatory behavior of systems of integrodifferential equations JO - Ευκλείδης Γ PY - 1991 SP - 131 EP - 141 VL - 29 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/EUG_1991__29_a12/ LA - gr ID - EUG_1991__29_a12 ER -