Hopcroft, John E. <br/><br/>
Introduction to automata theory, languages and computation 
John E. Hopcroft, Rejeev Motwani, Jeffrey D. Ullman.. 
 - 2nd. ed.. 
 - Delhi  Pearson Education  2002 
 - xii, 521p.; 22cm. 
<br/><br/><label>ISBN: </label>8178083477 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Machine theory. Formal languages.  Computational complexity. 
<br/><br/><label>Dewey Class. No.: </label>005.131/511.3  / H81I