%0 Journal Article %A Tkachuk, Vladimir V. %T Some new versions of an old game %J Commentationes Mathematicae Universitatis Carolinae %D 1995 %P 177-196 %V 36 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMUC_1995__36_1_a19/ %G en %F CMUC_1995__36_1_a19