Blaschke Wilhelm <br/><br/>
Krein und kugel 

 -  1949 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>24820 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Algebraic curves
<br/><br/><label>Dewey Class. No.: </label>B622-23, H9