Natasson I P <br/><br/>
Theory of functions of a real variable 

 -  1960 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>23151 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>B37, K0.2;1