Cohn, P. M. <br/><br/>
Free ideal rings and localization in general rings / 
Cohn, P. M. 
 - Cambridge:  Cambridge University Press,  2006. 
 - xxii, 572p.; 24cm. 
 - New mathematical monographs : 3 .
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>9780521853378 
<br/><br/><label>Dewey Class. No.: </label>512.4 COH