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@article{MAN_1903__57_158113, author = {M. Lerch}, title = {\"Uber die arithmetische {Gleichung} {Cl} ( ....) =1.}, journal = {Mathematische Annalen}, pages = {568--570}, publisher = {mathdoc}, volume = {57}, year = {1903}, zbl = {34.0242.01}, url = {http://geodesic.mathdoc.fr/item/MAN_1903__57_158113/} }
M. Lerch. Über die arithmetische Gleichung Cl ( ....) =1.. Mathematische Annalen, Tome 57 (1903), pp. 568-570. http://geodesic.mathdoc.fr/item/MAN_1903__57_158113/