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- [1] ON ODD PERFECT NUMBERS VESTNIK TOMSKOGO GOSUDARSTVENNOGO UNIVERSITETA-MATEMATIKA I MEKHANIKA-TOMSK STATE UNIVERSITY JOURNAL OF MATHEMATICS AND MECHANICS, 2014, (32): : 5 - 18
- [9] ODD SUPER PERFECT NUMBERS NOTICES OF THE AMERICAN MATHEMATICAL SOCIETY, 1974, 21 (02): : A335 - A335
- [10] There are no small odd perfect numbers COMPTES RENDUS DE L ACADEMIE DES SCIENCES SERIE I-MATHEMATIQUE, 1999, 328 (12): : 1101 - 1105