TY - JOUR AU - Vlček, Vladimír TI - On a distribution of zeros of solutions of a fourth-order iterated linear differential equation JO - Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica PY - 1978 SP - 85 EP - 108 VL - 17 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/AUPO_1978__17_1_a9/ LA - en ID - AUPO_1978__17_1_a9 ER -