Mittal , S.C. . Differential Equations For Post-Graduate Students / Textual Documents S.C.Mittal & J.N.Sharma. - 1st ed. / - Meerut : Krishna Prakashan Mandir , 1959. - 250p. : ill ; 18cm . ISBN: HB Subjects--Index Terms: Differential Equations G-Mathematics Dewey Class. No.: 517.2 / Mi 697 D