O'Shea, Donal   <br/><br/>
The Poincare conjecture: in search of the shape of the universe 
by Donal O'Shea 
 - London  Penguin Books  2008. 
 - vi, 292p.; 20cm. 
<br/><br/><label>ISBN: </label>9780141032382 
<br/><br/><label>Dewey Class. No.: </label>514.2  / OSH