DERRICK William R <br/><br/>
First course in differential equations    With applications    

 - 3 
 - Delhi  CBS Pub. & Distributors         1987 
 - xv,472p.  cm. 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Dewey Class. No.: </label>B33, M7/SC