Hoproft, John E. Introduction to automata theory, languages, and computation / John E. Hopcroft. - Rep. - New Delhi: Narosha, c1999. - xii, 418p.: ill.;, figs.;, tables.; 21 cm. Includes bibliography (p. 396-410) and index. Dept. of CSE ISBN: 8185015961 Subjects--Topical Terms: Finite automata and regular expressions Dewey Class. No.: 004 / HOI