Boyce, William E. <br/><br/>
Elementary differential equations / 
William E. Boyce and Richard C. Diprima 
 - 4th ed 
 - New York :  John Wiley & Sons,  c1986 
 - 512 p. :  illus 
<br/><br/><label>ISBN: </label>0471078948 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Differential Equations.
<br/><br/><label>Dewey Class. No.: </label>515.3  / B791E