Butzer, P.L & Korevaar, J <br/><br/>
On approximation theory  proceedings of the conference mathematical research institute at oberwolfach, black forest, aug 4-10,1963 
Ed by P.L. Butzer & J. Korevaar 
 - Basel  Birkhauser-Verlag  1972 
 - xvi  261 
 - ISNM 5 .
<br/><br/><label>Dewey Class. No.: </label>5.08  / BUTZ