Nicholson, W. Keith <br/><br/>
Quasi-Frobenius rings 
W. K. Nicholson, M. F. Yousif 
 - Cambridge  Cambridge University Press  2003 
 - xvii, 307 p. : ill. ; 24 cm 
<br/><br/> Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9780521815932 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics
<br/><br/><label>Dewey Class. No.: </label>512.4 NIC