Boyce, William E. Elementary differential equations and boundary value problems / William E. Boyce, Richard C. DiPrima. - Ninth edition - xix, 796 pages : color illustrations ; 27 cm. Includes bibliographical references and index. ISBN: 9780470383346 9780470398739 LCCN: 2010483814 Subjects--Topical Terms: Differential equations.Boundary value problems. LC Class. No.: QA371 / .B773 2010 Dewey Class. No.: 515/.35