Ferus D. <br/><br/>
Global Differential Geometry and Global Analysis 1984 
/ by D.Ferus 
 - New York  SpringerVerlag  1984 
 - 339p. 
<br/><br/><label>ISBN: </label>3540159940 
<br/><br/><label>Dewey Class. No.: </label>516.36  / FER/G