Combinatorial properties of texts

Ehrenfeucht, A.; Ten Pas, P.; Rozenberg, G.

RAIRO - Theoretical Informatics and Applications - Informatique Théorique et Applications, Volume 27 (1993) p. 433-464

On the structure of recognizable languages of dependence graphs

Ehrenfeucht, A.; Hoogeboom, H. J.; Rozenberg, G.

RAIRO - Theoretical Informatics and Applications - Informatique Théorique et Applications, Volume 27 (1993) p. 7-22