On the size of the subword complexity of square-free DOL languages. A. Ehrenfeucht; G. Rozenberg — 1983 Semigroup forum
Hypergraph systems and their extensions D. Janssens; G. Rozenberg — 1983 RAIRO - Theoretical Informatics and Applications - Informatique Théorique et Applications
A pumping theorem for deterministic ETOL languages A. Ehrenfeucht; G. Rozenberg — 1975 RAIRO - Theoretical Informatics and Applications - Informatique Théorique et Applications
On the separating power of EOL systems A. Ehrenfeucht; G. Rozenberg — 1983 RAIRO - Theoretical Informatics and Applications - Informatique Théorique et Applications
On some context free languages that are not deterministic ETOL languages A. Ehrenfeucht; G. Rozenberg — 1977 RAIRO - Theoretical Informatics and Applications - Informatique Théorique et Applications
FPOL systems generating counting languages A. Ehrenfeucht; G. Rozenberg — 1981 RAIRO - Theoretical Informatics and Applications - Informatique Théorique et Applications
On subword complexities of homomorphic images of languages A. Ehrenfeucht; G. Rozenberg — 1982 RAIRO - Theoretical Informatics and Applications - Informatique Théorique et Applications
Each regular code is included in a maximal regular code A. Ehrenfeucht; G. Rozenberg — 1986 RAIRO - Theoretical Informatics and Applications - Informatique Théorique et Applications
Strong iterative pairs and the regularity of context-free languages A. Ehrenfeucht; G. Rozenberg — 1985 RAIRO - Theoretical Informatics and Applications - Informatique Théorique et Applications
On DOS languages and DOS mappings. A. Ehrenfeucht; G. Rozenberg; D. Haussler; P. Zeiger — 1984 Semigroup forum
Pure interpretations of EOL forms H. A. Maurer; G. Rozenberg; A. Salomaa; D. Wood — 1979 RAIRO - Theoretical Informatics and Applications - Informatique Théorique et Applications
On the structure of recognizable languages of dependence graphs A. Ehrenfeucht; H. J. Hoogeboom; G. Rozenberg — 1993 RAIRO - Theoretical Informatics and Applications - Informatique Théorique et Applications
Coordinated pair systems ; part II : sparse structure of Dyck words and Ogden's lemma A. Ehrenfeucht; H. J. Hoogeboom; G. Rozenberg — 1986 RAIRO - Theoretical Informatics and Applications - Informatique Théorique et Applications
Coordinated pair systems ; part I : Dyck works and classical pumping A. Ehrenfeucht; H. J. Hoogeboom; G. Rozenberg — 1986 RAIRO - Theoretical Informatics and Applications - Informatique Théorique et Applications
Combinatorial properties of texts A. Ehrenfeucht; P. Ten Pas; G. Rozenberg — 1993 RAIRO - Theoretical Informatics and Applications - Informatique Théorique et Applications