@article{AM2_1982__25_136952, author = {Erich W. Ellers}, title = {Projective collineations as products of homologies, elations, and projective reflections.}, journal = {Aequationes mathematicae}, pages = {103--114}, publisher = {mathdoc}, volume = {25}, year = {1982}, zbl = {0522.51001}, url = {http://geodesic.mathdoc.fr/item/AM2_1982__25_136952/} }