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.
Jack S. Calcut. Gaussian Integers and Arctangent Identities for π. The American Mathematical Monthly, 116(6):515-530, 2009. [doi]
Abstract is missing.