1. The Theory of Parsing, Translation and Compiling;Aho,1972
2. Cylindres de Langages Algébriques;Autebert,1978
3. Congruences Plus que Parfaites et Langages Algébriques;Berstel,1975
4. Grammaires à Non-Terminaux Séparés;Boasson,1980
5. N.T.S. grammars and Church-Rosser systems;Book;Inform. Process. Lett.,1981