Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{MAN_1924__92_159058, author = {G. Heu{\ss}el}, title = {Bemerkungen \"uber zentrische {Kollineation}}, journal = {Mathematische Annalen}, pages = {80--82}, publisher = {mathdoc}, volume = {92}, year = {1924}, zbl = {50.0391.01}, url = {http://geodesic.mathdoc.fr/item/MAN_1924__92_159058/} }
G. Heußel. Bemerkungen über zentrische Kollineation. Mathematische Annalen, Tome 92 (1924), pp. 80-82. http://geodesic.mathdoc.fr/item/MAN_1924__92_159058/