De Luca, A. <br/><br/>
Finiteness and regularity in semigroups and formal languages / 
Aldo de Luca, Stefano Varricchio. 
 - Berlin :  New York :  Springer,  c1999. 
 - x, 240 p. ;  25 cm. 
 - Monographs in theoretical computer science .
<br/><br/>Includes bibliographical references (p. [229]-235) and index. 
<br/><br/><label>ISBN: </label>3540637710 (hc. : acidfree paper) 
<br/><br/><label>LCCN: </label>98042554  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Semigroups.<br/>Formal languages.
<br/><br/><label>LC Class. No.: </label>QA182  / .D4 1999 
<br/><br/><label>Dewey Class. No.: </label>512/.2