%0 Journal Article %A Erich W. Ellers %T Projective collineations as products of homologies, elations, and projective reflections. (Short Communication). %J Aequationes mathematicae %D 1982 %P 116-117 %V 25 %I mathdoc %U http://geodesic.mathdoc.fr/item/AM2_1982__25_136955/ %F AM2_1982__25_136955