Zygmund A. <br/><br/>
Trigonometric series/ 
Zygmund A. 
 - New York :  Cambridge University Press,  1959. 
 - vii, 354 p. :  26 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Trigonometric series.
<br/><br/><label>LC Class. No.: </label>QA 404