Nastasescu, Constantin Methods of graded rings / Constantin Nastasescu, Freddy Van Oystaeyen - Berlin New York Springer c2004 - xiii, 304 p. 24 cm. - Lecture notes in mathematics ; 1836 . Atlantic3011398/05Euro 59.99 ISBN: 9783540207467 (pbk.) Subjects--Topical Terms: Graded rings.Associative rings. Dewey Class. No.: 512.46 NAS