Approximation theory and optimization : tributes to M.J.D. Powell / edited by M.D. Buhmann, A. Iserles. - Cambridge ; New York : Cambridge University Press, 1997. - xiii, 220 pages : illustrations ; 24 cm. Includes bibliographical references. ISBN: 0521581907 (hb) LCCN: 97015714 Subjects--Topical Terms: Approximation theory--Congresses.Mathematical optimization--Congresses. LC Class. No.: QA 221 / .A655 Dewey Class. No.: 519.3