%0 Journal Article %A Ki Hang Kim %A Fred W. Roush %T A universal algebra approach to free projective planes. (Short Communication). %J Aequationes mathematicae %D 1978 %P 389-390 %V 18 %I mathdoc %U http://geodesic.mathdoc.fr/item/AM2_1978__18_136795/ %F AM2_1978__18_136795