Boyce, William E. <br/><br/>
Elementary differential equations / 
William E. Boyce, Richard C. DiPrima. 
 - 6th ed. 
 - New York :  Wiley,  c1997. 
 - xv, 592 p. :  col. ill. ;  25 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0471089532 (cloth : acidfree paper) 
<br/><br/><label>LCCN: </label>96023075  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Differential equations.<br/>Boundary value problems.
<br/><br/><label>LC Class. No.: </label>QA371  / .B77 1997 
<br/><br/><label>Dewey Class. No.: </label>515/.35