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Publication:3697087
zbMath0576.10004MaRDI QIDQ3697087
Walter E. Beck, Rudolph M. Najar
Publication date: 1985
Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.
numbersperfectsum-of-divisors functionn- hyperperfect numbersn-unitary hyperperfect numberssum-of-unitary divisors function
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