Chen, Chien-kung. <br/><br/>
Summation of the Fourier series of orthogonal functions  / 
Chien- kung Chen. 
 - Peking :  Science Press ,  1957. 
 - iv, 174 p. ;  27 cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fourier series.<br/>Functions, Orthogonal.
<br/><br/><label>Dewey Class. No.: </label>Q 517.35 CHE