@article{KYB_1985_21_4_a5,
     author = {Chien, Tran Quoc},
     title = {Nondifferentiable and quasidifferentiable duality in vector optimization theory},
     journal = {Kybernetika},
     pages = {298--312},
     year = {1985},
     volume = {21},
     number = {4},
     mrnumber = {815617},
     zbl = {0579.90091},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/KYB_1985_21_4_a5/}
}