1. Technical Report;M.C. Bartholomew-Biggs,1979
2. Crane, R.L., Garbow, B.S., Hillstrom, K.E., Minkoff, M.: LCLSQ: An implementation of an algorithm for linearly constrained linear least squares problems, ANL-80-116, Argonne National Laboratory, Argonne, Illinois, 1980
3. Fletcher, R.: A general quadratic programming algorithm. J. Inst. Math. Appl.7, 76?91 (1971)
4. Gill, P.E., Murray, W., Saunders, M.A.: Methods for computing and modifying the LDV factors of a matrix. Math. Comput.29, 1051?1077 (1975)
5. Han, S.-P.: A globally convergent method for nonlinear programming. J. Optimization Theory Appl.22, 297?309 (1977)