Geometric algorithms and combinatorial optimization 
Grötschel, Martin. 
 - Berlin ; | New York :  Springer-Verlag,  1988 
 - xii, 362 p. :  ill. ;  25 cm. 
 - Algorithms and combinatorics ;  2 .
<br/><br/> Includes indexes. 
<br/><br/><label>ISBN: </label>038713624X (U.S.) :