@article{MABA_1991_5_4_a8,
     author = {Zhen Wang and Ji Chen},
     title = {Generalization of {Ky} {Fan} {Inequality}},
     journal = {Mathematica balkanica},
     pages = {373},
     publisher = {mathdoc},
     volume = {5},
     number = {4},
     year = {1991},
     url = {http://geodesic.mathdoc.fr/item/MABA_1991_5_4_a8/}
}