References
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- Voight J. On the nonexistence of odd perfect numbers. In: Katok S, Sossinsky A, Tabachnikov S, editors. MASS Selecta. Providence, RI: American Mathematical Society; 2003.
- Davenport H. Multiplicative number theory. 3rd ed. Revised by Montgomery HL. New York: Springer; 2000.
- Bak J, Newman DJ. Complex analysis. 3rd ed. New York: Springer; 2010.