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.
Heinz-Dieter Ebbinghaus, Jörg Flum, Wolfgang Thomas. Einführung in die mathematische Logik (3. Aufl.). BI-Wissenschaftsverlag, 1992.