Nagy, Bela Sz. <br/><br/>
Introduction to real functions and orthogonal expansions   

 - New York  Oxford University Press  1965 
 - xi, 447p. Index 
 - University texts in the Mathematical Sciences .
<br/><br/> "Originally written in Hungaria as 'Volos Fuggvenyek Es Fuggvenysorok' in 1961".   
<br/><br/><label>Dewey Class. No.: </label>515.1  / N152.IR