Nastasescu, C. <br/><br/>
Graded ring theory / 
C. Nastasescu and F. van Oystaeyen. 
 - Amsterdam ;  New York :  New York :  North-Holland Pub. Co. ;  Sole distributors for the U.S.A. and Canada, Elsevier Science Pub. Co.,  1982. 
 - ix, 340 p. ; 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>044486489X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Graded rings.<br/>Noncommutative rings.
<br/><br/><label>Universal Decimal Class. No.: </label>512.55  / NAS