%0 Journal Article %A Bican, Ladislav %T On a class of locally Butler groups %J Commentationes Mathematicae Universitatis Carolinae %D 1991 %P 597-600 %V 32 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMUC_1991__32_4_a0/ %G en %F CMUC_1991__32_4_a0