Davis, Harry F. <br/><br/>
Fourier series and orthogonal functions 

 - New York  Dover Publications, INC  1989 
 - xii,403p.  23 cm. 
<br/><br/><label>ISBN: </label>0486659739 
<br/><br/><label>Dewey Class. No.: </label>515.2453  / DAV