Lam,T.Y A First course in Noncommutative rings / Lam,T.Y. - 2nd ed. - New York: Springer, 2001. - xix-385p;24cm. - Graduate Texts In Mathematics / No. 131 / ed by Axler, S. . Includes bibliographical references. ISBN: 0387951830 Dewey Class. No.: 512.4 LAM