Reid, William T. 1907 Oct. 4-1977 Sturmian theory for ordinary differential equations/ William T. Reid. - New York: Springer-Verlag, c1980. - xv, 559 p. ; 24 cm. - Applied mathematical sciences ; v. 31. . - Applied mathematical sciences (Springer-Verlag New York Inc.); v. 31. . Includes indexes. Bibliography: p. 509-548. ISBN: 0387905421 LCCN: 80023012 //r852 Subjects--Topical Terms: Equations différentielles.Differential equations. Dewey Class. No.: 515.35