Gray,Alfred <br/><br/>
Modern diffrential geometry / 
Gray,Alfred. 
 - 2nd 
 - N.delhi:  CRC,  1997. 
 - xxiv,1045p;25cm 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0849371643 
<br/><br/><label>Dewey Class. No.: </label>516.36 GRA