Alexander Borgida Some Formal Results about Stratificational Grammars and Their Relevance to Linguistics. [Citation Graph (0, 0)][DBLP] Mathematical Systems Theory, 1983, v:16, n:1, pp:29-56 [Journal]

Ronald V. Book A Note on Special Thue Systems with a Single Defining Relation. [Citation Graph (0, 0)][DBLP] Mathematical Systems Theory, 1983, v:16, n:1, pp:57-60 [Journal]