Korte, Bernhard. <br/><br/>
Combinatorial optimization :  theory and algorithms / 
Bernhard Korte, Jens Vygen. 
 - 3rd ed. 
 - New York, NV :  Springer,  2006. 
 - xv, 597p.;  22 cm. 
 - Algorithms and combinatorics ;  21 .
<br/><br/><label>ISBN: </label>3540256849 (alk. paper) 9783540256847 (alk. paper)