Bierberbach, L. <br/><br/>
Differentialgeometrie/ 
L. Bierberbach. 
 - [1st ed.] 
 - Leipzig:  B.G. Teubner,  1932. 
 - 140 p. 
<br/><br/><label>Dewey Class. No.: </label>516.36  / B588d