Finizio, N. An introduction to differential equations, with difference equations, Fourier series and partial differential equations N. Finizio and G. Ladas. - Belmont, Calif. Wadsworth Pub. Co. c1982. - xvi, 484, [92] p. ill. 24 cm. Includes bibliographical references and index. ISBN: 0534009603 21.95 LCCN: 81001971 Subjects--Topical Terms: Differential equations LC Class. No.: QA372 / .F55 Dewey Class. No.: 515.3/52