Abramowitz, M. and Stegun, I. A. (1972), Handbook of Mathematical Functions, New York: Dover Publications.

Bazaraa, M. S., Sherali, H. D., and Shetty, C. M. (1993), Nonlinear Programming: Theory and Algorithms, New York: John Wiley & Sons.

Chvátal, V. (1983), Linear Programming, New York: W. H. Freeman and Company.

Dennis, J. E. and Schnabel, R. B. (1983), Numerical Methods for Unconstrained Optimization and Nonlinear Equations, Englewood, NJ: Prentice-Hall.

Fletcher, R. (1987), Practical Methods of Optimization, Second Edition, Chichester, UK: John Wiley & Sons.

Nocedal, J. and Wright, S. J. (1999), Numerical Optimization, New York: Springer-Verlag.