Boyce, William E.. <br/><br/>
Elementary differential equations and boudary value problems /  
by William E. Boyce & Richard C. Diprima. 
 - 6th ed /  
 - New York :   John Wiley & Sons, Inc. ,   1997 
 - 749p :  
<br/><br/><label>ISBN: </label>0-471-08955-9 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Differential equations
<br/><br/><label>Dewey Class. No.: </label>B33  / N7