1. Discrete models;Greenspan,1973
2. FORTRAN subroutines for minimization by quasi-Newton methods;Fletcher,1972
3. Quasi-Newton methods for unconstrained optimization;Gill;J. Inst. Math. Appl.,1972
4. Applied nonlinear programming;Himmelblau,1972
5. Matrix conditioning and nonlinear optimization;Shanno;Math. Programming,1978