Kurzweil, Jaroslav . Ordinary differential equations : introduction to the theory of ordinary differential equations in the real domain / by Jaroslav Kurzweil. - Philadelphia : Elsevier , 1986. - 440p. : figures ; 23cm . Includes index ISBN: NULL (Hb) Subjects--Index Terms: DIFFERENTIAL EQUATIONS Dewey Class. No.: 515.352 / KUR/O