1. -ABADIE J., On the Khun-Tucker Theorem. In "Nonlinear programming", J.Abadie (ed.), North-Holland Publ. Co., 1967, pp. 19–36.
2. -BEALE E.M.L., Numericae Methods. In "Nonlinear Programming", J.Aba die (ed.), North-Holland Publ. Co., 1967, pp. 133–205.
3. -BURDET C.A., General Quadratic Programming. Carnegie-Mellon Univ. Paper W.P.-41-71-2, Nov. 1971.
4. -COTTLE R. W., The principal pivoting method of quadratic programming. In "Mathematics of the decision sciences, Part I, eds. G.B.Dantzig and A.F.Veinott Jr. American Mathematical Society, Providence, 1968, pp. 144–162.
5. -COTTLE R.W. and W.C. MYLANDER, Ritter's cutting plane method for nonconvex quadratic programming. In "Integer and nonlinear programming", J;Abadie (ed.), North-Holland Publ. Co., 1970, pp.257–283.