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

 - Narosa, Mumbai  1987 
 - xii,418 
<br/><br/><label>ISBN: </label>81-85015-96-1 
<br/><br/><label>Dewey Class. No.: </label>001.535 Hop/Ull