Gupta , P.P. . <br/><br/>
Differential Geometry /  Textual Documents 
P.P.Gupta & G.S.Malik. 
 - 4th Rev.ed. / 
 - Agra :  Pragati Prakasan ,  1991. 
 - 415p. :  ill ;  22cm . 
<br/><br/><label>Subjects--Index Terms: </label>Differential Geometry G-Mathematics 
<br/><br/><label>Dewey Class. No.: </label>516.36  / Gu 959 Di