Beltzer, A.I <br/><br/>
Variational & finite element methods. A symbolic computation approach 
A.I. Beltzer 
 - Berlin  Springer  1990 
 - xi  254 
<br/><br/><label>ISBN: </label>3540515984 
<br/><br/><label>Dewey Class. No.: </label>11.03  / BELT