@article{MZ_1985__190_173605,
     author = {Chung-Wie Ha},
     title = {Extensions of {Two} {Fixed} {Point} {Theorems} of {Ky} {Fan.}},
     journal = {Mathematische Zeitschrift},
     pages = {13--16},
     publisher = {mathdoc},
     volume = {190},
     year = {1985},
     zbl = {0551.47024},
     url = {http://geodesic.mathdoc.fr/item/MZ_1985__190_173605/}
}