%0 Journal Article %A Vlček, Vladimír %T On a distribution of zeros of solutions of a fourth-order iterated linear differential equation %J Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica %D 1978 %P 85-108 %V 17 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/AUPO_1978__17_1_a9/ %G en %F AUPO_1978__17_1_a9