Complexity and Approximation:  Combinatorial Optimization Problems and Their Approximability Properties 
/ by G. Ausiello . . . [ et. al ] 
 - Berlin, Heidelberg:  Springer-Verlag;  19993 
 - xix, Vp. 
<br/><br/><label>ISBN: </label>3540654313 
<br/><br/><label>Dewey Class. No.: </label>519.3  / AUS/C