Rainville, Earl D. <br/><br/>
Elementary differential equations. 

 - 6th/ed. 
 - xiv, 529p.  (np)  22cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>9710821911 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Differential equations--c1981--New York--newsprint