Williamson, David P.  <br/><br/>
The design of approximation algorithms (eBook) 

 - 1st ed. 
 - New York  Cambridge University Press  2012 
<br/><br/><label>ISBN: </label>9780511921735 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computational geometry<br/>Optimisation