Zachmanoglou, E. C. Introduction to partial differential equations with applications / E.C. Zachmanoglou, Dale W. Thoe. - New York : Dover Publications, 1986. - x, 405 p. : ill. ; 22 cm. Originally published: Baltimore : Williams & Wilkins, c1976. Includes index. Bibliography: p. 395-396. ISBN: 0486652513 (pbkk.) : $9.95 LCCN: 86013604 Subjects--Topical Terms: Differential equations, Partial. LC Class. No.: QA377 / .Z32 1986 Dewey Class. No.: 515.3/53