TY - JOUR AU - Erich W. Ellers TI - Projective collineations as products of homologies, elations, and projective reflections. (Short Communication). JO - Aequationes mathematicae PY - 1982 SP - 116 EP - 117 VL - 25 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/AM2_1982__25_136955/ ID - AM2_1982__25_136955 ER -