@article{10_4064_sm_122_2_117_122,
     author = {Zbigniew S{\l}odkowski},
     title = {An open mapping theorem for analytic multifunctions},
     journal = {Studia Mathematica},
     pages = {117--122},
     publisher = {mathdoc},
     volume = {122},
     number = {2},
     year = {1997},
     doi = {10.4064/sm-122-2-117-122},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm-122-2-117-122/}
}