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.
Leslie E. Shader. On the Existence of Finite Central Groupoids of All Possible Ranks I. Journal of Combinatorial Theory, Series A, 16(2):221-229, 1974.
Abstract is missing.