%0 Journal Article %A Rastislav Telgársky %T Concerning two covering properties %J Colloquium Mathematicum %D 1976 %P 57-61 %V 36 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm-36-1-57-61/ %R 10.4064/cm-36-1-57-61 %G en %F 10_4064_cm_36_1_57_61