Goyal, J. K., <br/><br/>
Tensor calculus and riemannian geometry 
by J.K. Goyal & K. P. Gupta 
 - 14th ed. 
 - Meerut:  Pragati ,  2013. 
 - 248p.:    23cm. 
<br/><br/><label>Dewey Class. No.: </label>515.63