Williams, H.P.
Model building in mathematical programming - 2d ed. - Chichester John Wiley 1985 - xv, 349. : ill.
0471906050
519.85 / W5
Model building in mathematical programming - 2d ed. - Chichester John Wiley 1985 - xv, 349. : ill.
0471906050
519.85 / W5