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.
Richard J. Lipton, Kenneth W. Regan. People, Problems, and Proofs - Essays from Gödel's Lost Letter: 2010. Springer, 2013. [doi]
Abstract is missing.