1. A. V. Fiacco and W. P. Hutzler, ?Basic results in the development of sensitivity and stability analysis in nonlinear programming,?Comput. Oper. Res.,9, No. 3, 9?28 (1982).
2. A. N. Tikhonov and V. Ya. Arsenin,Methods of Solution of Ill-Posed Problems [in Russian], Nauka, Moscow (1974).
3. V. M. Glushkov, ?System optimization,?Kibernetika, No. 5, 3?5 (1980).
4. I. I. Eremin, V. D. Mazurov, and N. N. Astaf'ev,Improper Linear and Convex Programming Problems [in Russian], Nauka, Moscow (1983).
5. ?Sensitivity, stability, and parametric analysis,?Math. Progr. Study,21, Nos. 1?6, 1?242 (1984).