1. Powell, M. J. D.,Some Global Convergence Properties of a Variable Metric Algorithm for Minimization without Exact Line Searches, Nonlinear Programming, Edited by R. W. Cottle and C. E. Lemke, SIAM-AMS Proceedings, Vol. 9, Philadelphia, Pennsylvania, 1976.
2. Fletcher, R.,Practical Methods of Optimization, Vol. 1: Unconstrained Optimization, Wiley, Chichester, England, 1980.
3. Powell, M. J. D.,A Hybrid Method for Nonlinear Equations, Numerical Methods for Nonlinear Equations, Edited by P. Rabinowitz, Gordon and Breach, London, England, 1970.
4. Dennis, J. E., Jr., Gay, D. M., andWelsch, R. E.,An Adaptive Nonlinear Least-Squares Algorithm, TOMS, Vol. 7, pp. 348?368, 1981.
5. Dennis, J. E., Jr., Gay, D. M., andWelsch, R. E.,Algorithm 573, NL2SOL: An Adaptive Nonlinear Least-Square Algorithm], TOMS, Vol. 7, pp. 369?383, 1981.