Cheney, Elliott Ward, 1929 Introduction to approximation theory / by E.W.Cheney. - New York : McGraw-Hill Book Co, 1966 - xii, 259 p. ; 23 cm - International series in pure and apllied mathematics; . Includes bibliographical references : p.234-254 Subjects--Topical Terms: Approximate computation Dewey Class. No.: 510 CHE