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.
Christopher A. Stone, Robert Harper. Extensional equivalence and singleton types. ACM Trans. Comput. Log., 7(4):676-722, 2006. [doi]
Abstract is missing.