Chiswell, Ian A course in formal languages, automata and groups / Ian Chiswell - London : Springer, 2009 - ix, 157 p. : ill. ; 24 cm. - Universitext . ISBN: 9781848009394 9781848009400 (e-book) Subjects--Topical Terms: Formal languagesMachine theoryGroup Theory Dewey Class. No.: 511.3 / C542C