Finlayson, Bruce A. <br/><br/>
Method of weighted residuals and variational principles   
by Bruce A.Finlayson 
 - New York  Academic Press  1972 
 - xiv, 412p. 
 - Mathematics in Science and Engineering  V.87 .
<br/><br/><label>LCCN: </label>74-182607 
<br/><br/><label>Dewey Class. No.: </label>515.35024532  / N72