TY - JOUR AU - Šoltés, Pavel TI - A remark on the oscillatory behavior of solutions of differential equations of order 3 and 4 JO - Archivum mathematicum PY - 1973 SP - 115 EP - 118 VL - 09 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ARM_1973__9_3_a2/ LA - en ID - ARM_1973__9_3_a2 ER -