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.
Saharon Shelah, Claude Laflamme, Bradd Hart. Models with Second Order Properties V: A General Principle. Annals of Pure and Applied Logic, 64(2):169-194, 1993.
Abstract is missing.