%0 Journal Article
%A Rachůnková, Irena
%T An existence theorem of the Leray-Schauder type for four-point boundary value problems
%J Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica
%D 1991
%P 49-59
%V 30
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/AUPO_1991__30_1_a4/
%G en
%F AUPO_1991__30_1_a4