Fujishige, Satoru. <br/><br/>
Submodular functions and optimization.  Volume  58, second edition / 
Satoru Fujishige. 
 - 2nd ed. 
 - [S.l.] :  Elsevier Science,  2005. 
 - 410 p. ;  25 cm. 
 - Annals of discrete mathematics. .
 - Annals of discrete mathematics. .
<br/><br/><label>ISBN: </label>0444520864 9780444520869 
<br/><br/><label>Dewey Class. No.: </label>511.6