%0 Journal Article %A Erich W. Ellers %T Projective collineations as products of homologies, elations, and projective reflections. %J Aequationes mathematicae %D 1982 %P 103-114 %V 25 %I mathdoc %U http://geodesic.mathdoc.fr/item/AM2_1982__25_136952/ %F AM2_1982__25_136952