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Product ranking, budget allocation and monopolistic pricing in a multiproduct firm: An application at Nonius, a division of Delft Instruments
Maaren, H.van, (1997)
On lp programming : revised May 1984
Terlaky, T., (1985)
A scaled Gauss-Newton primal-dual search direction for semidefinite optimization
de Klerk, E., (2001)