@article{AUCMP_1994_35_2_a8,
     author = {Spakowski, A.},
     title = {On {Borel} properties of semi-continuous multifunctions},
     journal = {Acta Universitatis Carolinae. Mathematica et Physica},
     pages = {59--64},
     year = {1994},
     volume = {35},
     number = {2},
     mrnumber = {1366499},
     zbl = {0840.54021},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/AUCMP_1994_35_2_a8/}
}