Lawler, Eugene <br/><br/>
Combinatorial optimization: Networks and matroids 
by Eugene Lawler 
 - New York  Dover  2001 
 - x, 374p. 
 - Dover Books on Mathematics   .
<br/><br/><label>ISBN: </label>9780486414539 
<br/><br/><label>Dewey Class. No.: </label>519.3  / P01 (ECE)