Boyce, William E. <br/><br/>
Elementary differential equations and boundary value problems / 
by William E. Boyce and Richard C. DiPrima. 
 - 3rd ed. 
 - New York, N.Y. :  John Wiley & Sons,  1977. 
 - xiv, 582, I-8 p. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0471093343 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics.<br/>Differential equations.<br/>Boundary value problems.