Koch, Helmut, 1932- Number theory: algebraic numbers and functions/ Helmut Koch ; translated by David Kramer. - Providence, R.I.: American Mathematical Society, c2000. - xviii, 368 p.: ill.; 26 cm. - Graduate studies in mathematics; v. 24 . Includes bibliographical references and index. ISBN: 0821820540 (acid-free paper) LCCN: 00022320 Subjects--Topical Terms: Number theory. Dewey Class. No.: 512.7 / K76n