Behra H S <br/><br/>
Formal Languages and Automata Theory 
H s Behera,Janmenjoy Nayak and Hadibandhu Pattnayak 
 - New Delhi:  Vikas Publisher,  2014 
 - xi,289p. 
<br/><br/><label>ISBN: </label>9789325978591 
<br/><br/><label>Dewey Class. No.: </label>519.7  / BEH