@article{PPN37649882X+dmdlog136, title = {Der Einflu\ss\ Cremonas.}, booktitle = {Geometrie Bd. 2}, series = {GDML\_Books}, year = {1968}, pages = {245}, url = {http://dml.mathdoc.fr/item/PPN37649882X+dmdlog136} }
(éd.). Der Einfluß Cremonas., dans Geometrie Bd. 2, GDML_Books, (1968), p. 245. http://gdmltest.u-ga.fr/item/PPN37649882X+dmdlog136/