Hopcroft, John E., Ullman, Jeffrey D. <br/><br/>
Introduction to automata theory, languages, and computation 

 - Delhi  Narosa  1987 
 - xii, 418p, 22cm 
<br/><br/><label>ISBN: </label>8185015961 
<br/><br/><label>Dewey Class. No.: </label>001.640151,  / D, hop