Busemann, Herbert.  1905- <br/><br/>
Recent sysnthetic differential geometry. 

 - Berline :  Springer-Verlag,  1970. 
 - vi, 110 p. ;  24 cm. 
 - (Ergebnisse der Mathematik und ihrer Grenzgebieste, Bd. 54). .
<br/><br/>Includes bibliographical references (p. 106-110). 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geometry, Differential.
<br/><br/><label>Dewey Class. No.: </label>516.7 BUS