Numerical methods of approximation theory 
edited by L. Collatz, G. Meinardus, H. Werner 
 - Basel:  Birkhauser Verlag,  1972 
 - 148 p. :  ill. ;  24 cm. 
 - International series of numerical mathematics  67 .
<br/><br/><label>ISBN: </label>3764315806 
<br/><br/><label>LCCN: </label>72-363170 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Approximation theory--Addresses, essays, lectures