Wasow, Wolfgang Richard, 1909- Linear turning point theory/ Wolfgang Wasow. - New York: Springer-Verlag, c1985. - ix, 246 p.: ill.; 25 cm. - Applied mathematical sciences ; v. 54. . - Applied mathematical sciences (Springer-Verlag New York Inc.); v. 54.. . Includes index. Bibliography: p. [237]-241. ISBN: 0387960465 LCCN: 84020243 Subjects--Topical Terms: Differential equations---Asymptotic theory. Dewey Class. No.: 515.35 / W319l