Researchr is a web site for finding, collecting, sharing, and reviewing scientific publications, for researchers by researchers.
Sign up for an account to create a profile with publication list, tag and review your related work, and share bibliographies with your co-authors.
Jean-Marie De Koninck, Stefan Gubo. When the Totient Is the Product of the Squared Prime Divisors: 10966. The American Mathematical Monthly, 111(6):536, 2004. [doi]
Abstract is missing.