Nastasescu, C. <br/><br/>
Graded ring theory / 
C. Nastasescu and F. Van Oystaeyen. 
 - New York :  North-Holland Publishing Company,  1982. 
 - ix, 340 p. :  23 cm. 
 - North-Holland mathematical library   v. 28 .
<br/><br/><label>ISBN: </label>9780444864895 (hbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Graded rings.<br/>Noncommutative rings.
<br/><br/><label>Dewey Class. No.: </label>512.4 NAS