@article{10_4064_cm_45_2_227_243,
     author = {T. Ma\'ckowiak},
     title = {The fixed point property for set-valued mappings},
     journal = {Colloquium Mathematicum},
     pages = {227--243},
     year = {1981},
     volume = {45},
     number = {2},
     doi = {10.4064/cm-45-2-227-243},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-45-2-227-243/}
}