Fritz John Optimality Conditions for Interval-Valued Multi-Objective Functions Using gH-Symmetrical Derivative. - Sachin Rastogi; Akhlad Iqbal; Sanjeev Rajan (Asia Pac. J. Oper. Res., 2022)

Optimality conditions for preinvex functions using symmetric derivative. - Sachin Rastogi; Akhlad Iqbal; Sanjeev Rajan (Oper. Res. Decis., 2022)

Optimality Conditions for E-Convex Interval-Valued Programming Problem Using gH-Symmetrical Derivative. - Sachin Rastogi; Akhlad Iqbal; Sanjeev Rajan (Asia Pac. J. Oper. Res., 2023)