Introduction to ordinary differential equations /
Ross, Shepley L. 
Introduction to ordinary differential equations / Shepley L. Ross, with the assistance of Shepley L. Ross, II. - Fourth edition. - New York : John Wiley & Sons, c1989. - xi, 609 pages : illustrations ; 24 cm.
Includes index.
Bibliography: p. [558].
0471098817
88021589
Differential equations.
QA372 / .R815 1989
515.352 R823i 1989
                        Introduction to ordinary differential equations / Shepley L. Ross, with the assistance of Shepley L. Ross, II. - Fourth edition. - New York : John Wiley & Sons, c1989. - xi, 609 pages : illustrations ; 24 cm.
Includes index.
Bibliography: p. [558].
0471098817
88021589
Differential equations.
QA372 / .R815 1989
515.352 R823i 1989