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.
Alfred V. Aho, Jeffrey D. Ullman. Characterizations and Extensions of Pushdown Translations. Theory Comput. Syst., 5(2):172-192, 1971.
Abstract is missing.