@article{2238, author = {Haupt, Otto}, title = {?ber Bogen mit lauter gleichartigen Schmieggebilden}, journal = {Portugaliae mathematica}, volume = {13}, year = {1954}, pages = {1-23}, zbl = {0058.16202}, mrnumber = {0064439}, language = {de}, url = {http://dml.mathdoc.fr/item/2238} }
Haupt, Otto. �?ber Bogen mit lauter gleichartigen Schmieggebilden. Portugaliae mathematica, Tome 13 (1954) pp. 1-23. http://gdmltest.u-ga.fr/item/2238/