Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{MZ_1930__32_168252, author = {A., Wintner}, title = {\"Uber die v. {Haerdtlsche} {Bahn}}, journal = {Mathematische Zeitschrift}, pages = {668--678}, publisher = {mathdoc}, volume = {32}, year = {1930}, zbl = {56.0778.04}, url = {http://geodesic.mathdoc.fr/item/MZ_1930__32_168252/} }
A., Wintner. Über die v. Haerdtlsche Bahn. Mathematische Zeitschrift, Tome 32 (1930), pp. 668-678. http://geodesic.mathdoc.fr/item/MZ_1930__32_168252/