@article{MASLO_2000__50_4_a5,
     author = {Sadowska, El\.zbieta},
     title = {Almost midconvex and almost convex set-valued functions},
     journal = {Mathematica slovaca},
     pages = {453--461},
     publisher = {mathdoc},
     volume = {50},
     number = {4},
     year = {2000},
     mrnumber = {1857300},
     zbl = {0989.26006},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/MASLO_2000__50_4_a5/}
}