Boyce, William E. <br/><br/>
Elementary differential equations and boundary value problems / 
William E. Boyce, Richard C. DiPrima. 
 - 4th ed. 
 - New York :  Wiley,  c1986. 
 - xvi, 654, [49] p. :  ill. ;  25 cm. 
<br/><br/><label>Subjects--Index Terms: </label>Differential equations  Boundary value problems 
<br/><br/><label>Dewey Class. No.: </label>515.3/5  / BOY