Idempotency 
edited by Jeremy Gunawardena 
 - Cambridge  Cambridge University Press  1998 
 - xii, 443 p. : ill. ; 24 cm 
<br/><br/> Includes bibliographical references 
<br/><br/><label>ISBN: </label>9780521553445 
<br/><br/><label>ISSN: </label>98125226 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Idempotents<br/>Mathematical physics<br/>Semirings (Mathematics)
<br/><br/><label>Dewey Class. No.: </label>512.24 GUN