Weir ,M.D. Hass, Joel Giordano, Frank R. <br/><br/>
Thomas Calculus 

 - 11 
 - Chennai  Pearson  2008 
 - p.1228 
<br/><br/><label>ISBN: </label>8131718674 
<br/><br/><label>Dewey Class. No.: </label>517 W423