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.
Jan Krajícek, Pavel Pudlák. Quantified propositional calculi and fragments of bounded arithmetic. Math. Log. Q., 36(1):29-46, 1990. [doi]
Abstract is missing.