%0 Journal Article %A M. Bleicher %A Edward Marczewski %T Remarks on dependence relations and closure operators %J Colloquium Mathematicum %D 1962 %P 209-212 %V 9 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm-9-2-209-212/ %R 10.4064/cm-9-2-209-212 %G en %F 10_4064_cm_9_2_209_212