Joshi, Pankaj S. <br/><br/>
Global aspects in gravitation and cosmology / 

 -  Oxford uty press ,  1993. 
 - 377 p.  24cms 
 - International series of monographs on physics;87 .
<br/><br/><label>ISBN: </label>0198539665 
<br/><br/><label>Subjects--Index Terms: </label>Astro Physics Mathematics