Schaum's outline of differential equations / 
Bronson Richard ,Gabriel Costa  B. 
 - 3rd ed. 
 - New York;  Schaum's outline series ,  2006. 
 - xiv,385 p. :  ill. ; 
<br/><br/><label>ISBN: </label>0071456872 
<br/><br/><label>LC Class. No.: </label>QA274.23  / .B76 2006