Wachspress, E.L <br/><br/>
Rational finite element basis 
E.L. Wachspress 
 - New York  Academic Press  1975 
 - xiii  331 
 - Mathematics in science & engineering 114 .
<br/><br/><label>ISBN: </label>012728950x 
<br/><br/><label>Dewey Class. No.: </label>11.03  / WACH