Gamkrelidze, R. V. <br/><br/>
Geometry I :  Basic Ideas and concepts of differential geometry 
/ by R. V. Gamkrelidze 
 - new york  springer  1991 
 - 264p. 
<br/><br/><label>ISBN: </label>3540519998 
<br/><br/><label>Dewey Class. No.: </label>516.36  / GAM/G