1. Avriel, M. (1976). Nonlinear programming: Analysis and methods. Prentice-Hall.
2. Bazaraa, M. S., & Shetty, C. M. (1976). Foundation of optimization. Springer-Verlag.
3. Hardley, G. (1964). Nonlinear and dynamic programming. Addison-Wesley Publishing Company.
4. Horn, R. A., & Johnson, C. R. (1985). Matrix analysis. Cambridge University Press.
5. Intriligator, M. D. (1971). Mathematical optimization and economic theory. Prentice Hall.