Linz Peter.  <br/><br/>
An introduction to formal languages and automata 

 - 4th edition. 
 - New delhi :   Narosa Publication   2016. 
 - 415.  
<br/><br/><label>ISBN: </label>978-81-7319-781-9  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Engineering,
<br/><br/><label>Dewey Class. No.: </label>005.13  / LIN