WATSON, G.A. <br/><br/>
Approximation theory and numerical methods 
/[by] G.a.Watson 
 - Chichester  John Wilely & Sons  1980 
 - ix, 229 p. 
<br/><br/> Includes references and index. 
<br/><br/><label>ISBN: </label>471277061 
<br/><br/><label>Dewey Class. No.: </label>511.4  / WAT