Beltzer, Abraham I. <br/><br/>
Variational and Finite Element Methods :  A Symbolic Computation Approach / 
Abraham I. Beltzer. 
 - Berlin :  Springer-Verlag,  1990. 
 - XI, 254 s. :  il. ;  25 cm. 
<br/><br/>bibliogr. 
<br/><br/><label>ISBN: </label>3540515984