Hopcroft, John E.,  1939- <br/><br/>
Introduction to automata theory, languages, and computation / 
John E. Hopcroft, Rajeev Motwani, Jeffrey D. Ullman. 
 - 3rd edition 
 - xvii, 535 pages :  illustrations ;  25 cm. 
<br/><br/>
<br/><br/><label>ISBN: </label>0201441241 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computational complexity<br/>Formal languages<br/>Machine theory
<br/><br/><label>LC Class. No.: </label>QA267