Hopcroft, John E. <br/><br/>
Introduction to automata theory languages and computation / 
By John E Hopcroft, Rajeev Motwani and Jeffrey D Ullman. 
 - 2nd ed. 
 - New Delhi :  Pearson Education ,  2002. 
 - xiv,521p. ;  PB  24.5 cm 
<br/><br/><label>ISBN: </label>8178083477 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Regular expressions and languages<br/>Pushdown automata<br/>Intratable problems
<br/><br/><label>Dewey Class. No.: </label>511.3   / HOPJ