1. Sufficient optimality and duality for a minimax problem;Bector;Utilitas Mathematica,1985
2. Second order duality for a minimax programming problem;Bector;Opsearch,1991
3. Duality for minimax programming involving V-invex functions;Bector;Optimization,1994
4. Univex functions and univex nonlinear programming;Bector;Proceedings of the Administrative Sciences Association of Canada,1992
5. Duality in fractional minimax programming;Chandra;Journal of the Australian Mathematical Society Series A,1995