Butzer, P.L & Nessel, R.J <br/><br/>
Fourier analysis & approximation, Vol.1  one dimensional theory 
P.L. Butzer & R.J. Nessel 
 - Basel  Birkhauser Verlag  1971 
 - xvi  553 
 - Pure & applied mathematics 40-I .
<br/><br/><label>Dewey Class. No.: </label>4.12  / BUTZ