Cohn, P M <br/><br/>
Free ideal rings and localization in general rings 
P M Cohn 
 - Cambridge  Cambridge University Press  2006 
 - xxii, 572 p. : ill. ; 24 cm 
<br/><br/> Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9780521853378 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics
<br/><br/><label>Dewey Class. No.: </label>512.4 COH