Borsuk K <br/><br/>
Theory of retracts 

 -  1966 
 - 251p.  cm. 
<br/><br/><label>Standard No.: </label>30000 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>B316, K6