Quarteroni, A & Valli, A <br/><br/>
Numerical approximation of partial differential equations 
A. Quarteroni & A. Valli 
 - Berlin  Springer  1994 
 - xvi  543 
 - Springer series in computational mathematics 23 .
<br/><br/><label>Dewey Class. No.: </label>5.08+11.07+11.03  / QUAR