Titchmarsh, E. C. <br/><br/>
The theory of functions / 
by E. C. Titchmarsh 
 - 2d ed. 
 - London :  Oxford University Press,  1939 
 - x, 454 p. ;  23 cm. 
<br/><br/><label>LCCN: </label>40-012705 //r86 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Functions