@article{RO_1994__28_4_399_0,
     author = {Kouada, I.},
     title = {Fritz {John's} type conditions and associated duality forms in convex non differentiable vector-optimization},
     journal = {RAIRO - Operations Research - Recherche Op\'erationnelle},
     pages = {399--412},
     publisher = {EDP-Sciences},
     volume = {28},
     number = {4},
     year = {1994},
     mrnumber = {1304251},
     zbl = {0857.90115},
     language = {en},
     url = {http://www.numdam.org/item/RO_1994__28_4_399_0/}
}