@article{KYB_1983__19_4_a1,
     author = {Chien, Tran Quoc},
     title = {General exchange economy},
     journal = {Kybernetika},
     pages = {299--308},
     publisher = {mathdoc},
     volume = {19},
     number = {4},
     year = {1983},
     mrnumber = {723080},
     zbl = {0524.90017},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/KYB_1983__19_4_a1/}
}