Symposium conducted by the Mathematics Research Center, 1958. <br/><br/>
On numerical approximation - proceedings   
ed. by Rudolph E. Langer 
 - Madison  Univ. of Wisconsin Press.  1959 
 - x, 462p. 
 - Publication of the mathematical research centre  No.1 .
<br/><br/><label>Dewey Class. No.: </label>511.4  / N59