1. Cottle, R.W.: The principal pivoting method of quadratic programming. In: Dantzig, G.B., Veinott, A.F. (eds.) Mathematics of Decision Sciences, Part 1, pp. 142–162. AMS, Providence, RI (1968)
2. Chung, S.J.: NP-completeness of the linear complementarity problem. J. Optim. Theory Appl. 60, 393–399 (1989)
3. Cottle, R.W., Pang, J.S., Stone, R.E.: The linear complementarity problem. Academic Press, Boston (1992)
4. Murty, K.G.: Linear Complementarity, Linear and Nonlinear Programming, Internet Ed. North-Holland Publishing Co., Amsterdam (1997)
5. Lemke, C.E.: Bimatrix equilibrium points and mathematical programming. Manag. Sci. 11, 681–689 (1965)