1. Applied Nonlinear Programming;Himmelblau,1972
2. Iterative Solution of Nonlinear Equations in Several Variables;Ortega,1970
3. Variable Metric Methods for Minimization;Davidon;A.E.C. Research and Development Report No. ANL-5990 (Rev.),1959
4. Quasi-Newton methods and their application to function minimization;Broyden;Math. Comp.,1967
5. A rapidly convergent descent method for minimization;Fletcher;Comput. J.,1963