%0 Journal Article %A M. Wilhelm %T Relations among some closed graph and open mapping theorems %J Colloquium Mathematicum %D 1979 %P 387-394 %V 42 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm-42-1-387-394/ %R 10.4064/cm-42-1-387-394 %G en %F 10_4064_cm_42_1_387_394