Trigub, Roald M. and Belinsky, Eduard S. <br/><br/>
Fourier analysis and approximation of functions   

 - Dordrecht  Kluwer Academic Publication  2004 
 - xiii, 585p. Bibl. Index. 
<br/><br/>  
<br/><br/><label>ISBN: </label>1402023413 
<br/><br/><label>Dewey Class. No.: </label>515.24  / T828.FA