Natrajan, A.M...[et al]. <br/><br/>
Theory of computation / 

 - New Delhi,  New Age International,  c2007. 
 - vi,421 p. ;  ill. ;  24 cm 
<br/><br/><label>ISBN: </label>8122414737 
<br/><br/><label>Dewey Class. No.: </label>511.3