@book{15807,
	author = {Chong, Edwin K. P. and Zak, Stanislaw H. and Zak, Stanislaw H.},
	title = {An introduction to optimization /},
	publisher = {John Wiley,},
	year = {1996},
	series = {Wiley interscience series in Discrete Mathematics and optimization},
	address = {New York:}
}