%0 Journal Article
%A Vlček, Vladimír
%T On the focal points of solutions of a certain fourth order differential equation
%J Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica
%D 1986
%P 97-115
%V 25
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/AUPO_1986__25_1_a5/
%G en
%F AUPO_1986__25_1_a5