2 results
Mateescu, Alexandru; Salomaa, Arto; Salomaa, Kai; Yu, Sheng
RAIRO - Theoretical Informatics and Applications - Informatique Théorique et Applications, Volume 35 (2001) p. 551-564
Ilie, Lucian; Rozenberg, Grzegorz; Salomaa, Arto
RAIRO - Theoretical Informatics and Applications - Informatique Théorique et Applications, Volume 34 (2000) p. 77-86
