@article{10_4064_fm_121_1_73_80,
     author = {Helga Schirmer},
     title = {Fix-finite approximation of n-valued multifunctions},
     journal = {Fundamenta Mathematicae},
     pages = {73--80},
     publisher = {mathdoc},
     volume = {121},
     number = {1},
     year = {1984},
     doi = {10.4064/fm-121-1-73-80},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/fm-121-1-73-80/}
}