@book{43908,
	author = {Beightler, Charles S and Wilde, Douglass J. [and] Phillips,Don.T},
	title = {Foundations of optimization},
	publisher = {FT Prentice-Hall},
	year = {[1979]},
	address = {Englewood Cliffs, N.J.},
	edition = {2nd.ed}
}