Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{MZ_1939__44_168807, author = {S., Selberg}, title = {Zur {Theorie} der quadratfreien {Zahlen}}, journal = {Mathematische Zeitschrift}, pages = {306--318}, publisher = {mathdoc}, volume = {44}, year = {1939}, zbl = {64.0101.03}, url = {http://geodesic.mathdoc.fr/item/MZ_1939__44_168807/} }
S., Selberg. Zur Theorie der quadratfreien Zahlen. Mathematische Zeitschrift, Tome 44 (1939), pp. 306-318. http://geodesic.mathdoc.fr/item/MZ_1939__44_168807/