Williamson, David P. <br/><br/>
Design of approximation algorithms 
by David P Williamson and David B Shmoys 
 - Cambridge  Cambridge University Press  2011 
 - xi, 504p. 
<br/><br/><label>ISBN: </label>9780521195270 
<br/><br/><label>Dewey Class. No.: </label>518.5  / P11;1 (CSA)