Mishra, K.L.P. Chandrasekaran, N. Theory of computer science : automata, languages and computation /by K.L.P. Mishra, N. Chandrasekaran - 3rd ed. - New Delhi PHI Learning 2011 - xiii, 422 p. ISBN: 9788120329683 Subjects--Topical Terms: Computer science Dewey Class. No.: 004 / MIS