Ahmad, Shair. Theory of ordinary differential equations : with applications on Biology and Engineering / Shair Ahmad and M. Rama Mohana Rao. - New Delhi : Affiliated east-west press, c1999. - viii, 335 pages : illustrations ; 23 cm. Includes index. ISBN: 8185938946 Subjects--Topical Terms: Differential equations. Dewey Class. No.: 515.35 AHM