1. Giannessi, F.: Theorems of the alternative and optimality conditions. J. Optim. Theory Appl. 42, 331–365 (1984)
2. Karush, W.: Minima of functions of several variables with inequalities as side conditions. Master’s thesis, University of Chicago (1939)
3. John, F.: Extremum problems with inequalities as subsidiary conditions. In: Friedrichs, K.O., Neugebauer, O.E., Stoker, J.J. (eds.) Studies and Essays: Courant Anniversary Volume, pp. 187–204. Interscience, New York (1948)
4. Kuhn, H.W., Tucker, A.W.: Nonlinear programming. In: Neyman, J. (ed.) Proceedings of the Second Berkeley Symposium on Mathematical Statistics and Probability, pp. 481–492. University of California Press, Berkeley (1951)
5. Peterson, D.W.: A review of constraint qualifications in finite-dimensional spaces. SIAM Rev. 15, 639–654 (1973)