Etgen, Garret J. Morris, William L. <br/><br/>
An introduction to ordinary differential equations, numerical methods, and applications 

 - New York  Harper & Row  1977 
<br/><br/><label>Subjects--Uniform Titles: </label><br/>Ordinary Differential equations
<br/><br/><label>Dewey Class. No.: </label>515.352  / E80I