References
- Bector , C.R. , Lalitha , C.S. and Suneja , S.K. 1993 . Generalized B-Vex Functions and Generalized B-Vex Programming . J .O. T. A , 76 : 561 – 576 .
- Bector , C.R. and Singh , C. 1991 . B-Vex Functions . J .O. T. A , 71 : 237 – 253 .
- Bector , C.R. , Singh , C. and Suneja , S.K. 1993 . Generalization of Preinvex and B-Vex Functions . J .O. T. A , 76 : 577 – 587 .
- Ben-Tal , A. 1977 . On Generalized Means and Generalized Convex Functions . J .O. T. A , 21 : 1 – 13 .
- Fiacco , A.V. and Kyparisis , J. 1987 . Generalized Convexity and Concavity of the Optimal Value Function in Nonlinear Programming . Math. Progr. , 39 : 285 – 304 .
- Mohan , S.R. and Neogy , S.K. 1995 . Note: On Invex Sets and Preinr-ex Functions . J. Math. Anal. Appl. , 189 : 901 – 908 .
- Mond , B. and Weir , T. 1988 . Preinvex Functions in Multiple Objective Optimization . J. Math. Anal. Appl. , 136 : 29 – 38 .
- Pini , R. 1994 . Convexity along Curves and Invexity . Optimization , 29 : 301 – 309 .
- Rapcsak , T. 1987 . Geodesic Convexity in Nonlinear Optimization . J .O. T. A , 69 : 69 – 183 .