TY - JOUR AU - Ki Hang Kim AU - Fred W. Roush TI - A universal algebra approach to free projective planes. (Short Communication). JO - Aequationes mathematicae PY - 1978 SP - 389 EP - 390 VL - 18 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/AM2_1978__18_136795/ ID - AM2_1978__18_136795 ER -