On the Regularity Condition for Vector Programming Problems. - T. Amahroq; Nazih Abderrazzak Gadhi (J. Glob. Optim., 2001)

Sufficient Optimality Condition for Vector Optimization Problems under D.C. Data. - Nazih Abderrazzak Gadhi; Abdelmoutalib Metrane (J. Glob. Optim., 2004)

Optimality Conditions for D.C. Vector Optimization Problems Under Reverse Convex Constraints. - Nazih Abderrazzak Gadhi; Mohamed Laghdir; Abdelmoutalib Metrane (J. Glob. Optim., 2005)

Necessary Optimality Conditions for Bilevel Optimization Problems Using Convexificators. - Hicham Babahadda; Nazih Abderrazzak Gadhi (J. Glob. Optim., 2006)

Necessary optimality conditions for bilevel set optimization problems. - Stephan Dempe; Nazih Abderrazzak Gadhi (J. Glob. Optim., 2007)

Second order optimality conditions for bilevel set optimization problems. - Stephan Dempe; Nazih Abderrazzak Gadhi (J. Glob. Optim., 2010)

Necessary Optimality Conditions and a New Approach to Multiobjective Bilevel Optimization Problems. - Nazih Abderrazzak Gadhi; Stephan Dempe (J. Optim. Theory Appl., 2012)

Necessary optimality conditions for a set-valued fractional extremal programming problem under inclusion constraints. - Nazih Abderrazzak Gadhi; A. Jawhar (J. Glob. Optim., 2013)

New Optimality Conditions for the Semivectorial Bilevel Optimization Problem. - Stephan Dempe; Nazih Abderrazzak Gadhi; Alain B. Zemkoho (J. Optim. Theory Appl., 2013)

Necessary optimality conditions for a nonsmooth semi-infinite programming problem. - Nazih Abderrazzak Gadhi (J. Glob. Optim., 2019)

Minimizing the difference of two quasiconvex functions. - Stephan Dempe; Nazih Abderrazzak Gadhi; Khadija Hamdaoui (Optim. Lett., 2020)

New optimality conditions for bilevel programs by using an exact separation principle. - Nazih Abderrazzak Gadhi; Stephan Dempe; Mohammed El Idrissi (Optim. Lett., 2020)

Comments on "A Note on the Paper "Optimality Conditions for Optimistic Bilevel Programming Problem Using Convexifactors"". - Nazih Abderrazzak Gadhi (J. Optim. Theory Appl., 2021)

Necessary optimality conditions for a fractional multiobjective optimization problem. - Nazih Abderrazzak Gadhi; Khadija Hamdaoui; Mohammed El Idrissi; Fatima Zahra Rahou (RAIRO Oper. Res., 2021)

A note on the paper "Optimality conditions for nonsmooth interval-valued and multiobjective semi-infinite programming". - Nazih Abderrazzak Gadhi; Aissam Ichatouhane (RAIRO Oper. Res., 2021)

Comments on "Optimality conditions for nonsmooth interval-valued and multiobjective semi-infinite programming". - Nazih Abderrazzak Gadhi; Aissam Ichatouhane (RAIRO Oper. Res., 2021)

Necessary optimality conditions for a multiobjective semi-infinite interval-valued programming problem. - Nazih Abderrazzak Gadhi; Mohammed El Idrissi (Optim. Lett., 2022)

Optimality conditions for MPECs in terms of directional upper convexifactors. - Nazih Abderrazzak Gadhi; Mohamed Ohda (RAIRO Oper. Res., 2022)

On interval-valued bilevel optimization problems using upper convexificators. - Stephan Dempe; Nazih Abderrazzak Gadhi; Mohamed Ohda (RAIRO Oper. Res., 2023)

Sufficient Optimality Conditions for a Robust Multiobjective Problem. - Nazih Abderrazzak Gadhi; Mohamed Ohda (Asia Pac. J. Oper. Res., 2023)

Erratum to: Necessary optimality conditions for a fractional multiobjective optimization problem. - Nazih Abderrazzak Gadhi (RAIRO Oper. Res., 2023)

Erratum to: On interval-valued bilevel optimization problems using upper convexificators. - Stephan Dempe; Nazih Abderrazzak Gadhi (RAIRO Oper. Res., 2023)