%0 Journal Article %A Kulpa, W. %T An integral theorem and its applications to coincidence theorems %J Acta Universitatis Carolinae. Mathematica et Physica %D 1989 %P 83-90 %V 30 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/AUCMP_1989__30_2_a12/ %G en %F AUCMP_1989__30_2_a12