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.
J. C. Lagarias, Andrew M. Odlyzko, James B. Shearer. On the Density of Sequences of Integers the Sum of No Two of which Is a Square. I. Arithmetic Progressions. Journal of Combinatorial Theory, Series A, 33(2):167-185, 1982.