Hempel, John <br/><br/>
3- Manifolds 
John Hempel 
 - Princeton  Princeton univ. press  1976 
 - 195 p  fig  24 cm 
 - Annals of mathematics studies  86 .
<br/><br/> Contine bibliogr. si index 
<br/><br/><label>ISBN: </label>0691081832