TY - JOUR AU - MaruĊĦiak, Pavol TI - On the oscillation of nonlinear differential systems with retarded arguments JO - Mathematica slovaca PY - 1984 SP - 73 EP - 88 VL - 34 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MASLO_1984__34_1_a4/ LA - en ID - MASLO_1984__34_1_a4 ER -