1. Technical Report SOL 78-9;M. Aganagić,1978
2. M. Aganagić and R.W. Cottle, “A note onQ-matrices”,Mathematical Programming 16 (1979) 374–377.
3. Technical Report PDRC 85-05;F.A. Al-Khayyal,1985
4. R.W. Cottle, “The principal pivoting method of quadratic programming”, in: G.B. Dantzig and A.F. Veinott, Jr., eds.,Mathematics of the Decision Sciences, Part I, (American Mathematical Society, Providence, RI, 1968) pp. 144–168.
5. R.W. Cottle, “Some recent developments in linear complementarity theory”, in: R.W. Cottle, F. Giannessi, and J.L. Lions, eds.,Variational Inequalities and Complementarity Problems (John Wiley & Sons, Chichester, 1980) pp. 97–104.