Nagpal, C. K <br/><br/>
Formal languages and automata theory 
C. K. Nagpal 
 - New Delhi  Oxford University press  c2011 
 - xiv, 348 p 
<br/><br/><label>ISBN: </label>9780198071068 
<br/><br/><label>Subjects--Topical Terms: </label>
<br/><br/><label>Dewey Class. No.: </label>005.131 NAG