%0 Journal Article %A Khare, Abeka %A Nath, Triloki %T Improved enhanced Fritz John condition and constraints qualifications using convexificators %J RAIRO. Operations Research %D 2021 %P S271-S288 %V 55 %I EDP-Sciences %U https://www.numdam.org/articles/10.1051/ro/2019082/ %R 10.1051/ro/2019082 %G en %F RO_2021__55_S1_S271_0