@article{MZ_1942__47_168951, author = {H., Beck}, title = {Kurvenkongruenzen und volumentreue {Transformationen}}, journal = {Mathematische Zeitschrift}, pages = {275--290}, publisher = {mathdoc}, volume = {47}, year = {1942}, language = {de}, url = {http://geodesic.mathdoc.fr/item/MZ_1942__47_168951/} }