Busemann Herbert <br/><br/>
Geometry of geodesics 

 -  1955 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>24064 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>B6:35, J5-;1