%0 Journal Article %A Kolibiar, Milan %T Median groups %J Archivum mathematicum %D 1989 %P 73-82 %V 25 %N 1-2 %I mathdoc %U http://geodesic.mathdoc.fr/item/ARM_1989__25_1-2_a9/ %G en %F ARM_1989__25_1-2_a9