Numerical methods for engineers 
Griffiths, D. V. 
 - 2nd ed. 
 - Boca Raton, FL :  Chapman & Hall/CRC,  2006 
 - 479 p. :  ill. ;  25 cm. 
<br/><br/><label>ISBN: </label>1584884010 (alk. paper) | 9781584884019