Hopcroft,John E <br/><br/>
Introduction to automata theory,languages,and computation  

 - 2 
 - Kolkata   Narosa Publishing House Pvt Ltd  1979 
 - xii;418; 22cmsp 
<br/><br/><label>ISBN: </label>978-93-325-4944-9 
<br/><br/><label>Dewey Class. No.: </label>4.0151  / hop/ull