Curtiss, David Raymond. <br/><br/>
Analytic Functions of a Complex Variable 

 - 2a ed 
 - Illinois :   The Mathematical Association of America,   1930. 
 - p. 173 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ANALISIS DE FUNCIONES<br/>FUNCIONES<br/>VARIABLE COMPLEJA
<br/><br/><label>Universal Decimal Class. No.: </label>517.54