Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{MAN_1928__98_159238, author = {L.W. Nieland}, title = {\"Uber das {Kreisproblem}}, journal = {Mathematische Annalen}, pages = {717--736}, publisher = {mathdoc}, volume = {98}, year = {1928}, language = {de}, url = {http://geodesic.mathdoc.fr/item/MAN_1928__98_159238/} }
L.W. Nieland. Über das Kreisproblem. Mathematische Annalen, Tome 98 (1928), pp. 717-736. http://geodesic.mathdoc.fr/item/MAN_1928__98_159238/