Zalcstein, Yechezkel Syntactic semigroups of some classes of star-free languages. (English) Zbl 0277.94039 Automata, Languages, Programming, Proc. Sympos. Inst. Rech. Informatique Automatique (IRIA), Rocquencourt 1972, 135-144 (1973). Page: Show Scanned Page Cited in 6 Documents MSC: 68Q45 Formal languages and automata 20M35 Semigroups in automata theory, linguistics, etc. PDF BibTeX XML OpenURL