Cartan, Henri. <br/><br/>
Elemnetary Theory of analytic functions of one or several complex variables /  

 - 1st ed /  
 - Massachusetts :   Addison-Wesley Publishing Company, Inc.. 
 - p.226 :  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics 
<br/><br/><label>Dewey Class. No.: </label>B38:3  / K3