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@article{MOMA_1993__116_2_178623, author = {Hubert Delange}, title = {On the {Integers} n for which ...(n) = k {(II).}}, journal = {Monatshefte f\"ur Mathematik}, pages = {175--196}, publisher = {mathdoc}, volume = {116}, number = {2}, year = {1993}, zbl = {0793.11024}, url = {http://geodesic.mathdoc.fr/item/MOMA_1993__116_2_178623/} }
Hubert Delange. On the Integers n for which ...(n) = k (II).. Monatshefte für Mathematik, Tome 116 (1993) no. 2, pp. 175-196. http://geodesic.mathdoc.fr/item/MOMA_1993__116_2_178623/