Agarwal, Ravi P. 1947- Boundary value problems for higher order differential equations/ Ravi P. Agarwal. - Singapore Philadelphia: World Scientific, c1986. - x, 307 p. ; 23 cm. Includes bibliographies and index. ISBN: 9971501082 LCCN: 86011016 Subjects--Topical Terms: Boundary value problems. Dewey Class. No.: 515.35 / A261b