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.
Alexander Meduna. Generalized forbidding grammars. Int. J. Comput. Math., 36(1-2):31-38, 1990. [doi]
Abstract is missing.