%0 Journal Article %A J. Grochulski %A T. Konik %A M. Tkacz %T On the tangency of sets in metric spaces %J Annales Polonici Mathematici %D 1980 %P 121-131 %V 38 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/ap-38-2-121-131/ %R 10.4064/ap-38-2-121-131 %G en %F 10_4064_ap_38_2_121_131