Hartshorne, R <br/><br/>
Geometry  Euclid & beyond 
R. Hartshorne 
 - New York  Springer  2000 
 - xi  526 
 - UTM .
<br/><br/><label>ISBN: </label>9780387986500 
<br/><br/><label>Dewey Class. No.: </label>8.04  / HART