TY - JOUR AU - BartuĊĦek, Miroslav TI - On existence of oscillatory solution of the system of differential equations JO - Archivum mathematicum PY - 1981 SP - 7 EP - 10 VL - 17 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ARM_1981__17_1_a2/ LA - en ID - ARM_1981__17_1_a2 ER -