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@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/} }
Sadowska, Elżbieta. Almost midconvex and almost convex set-valued functions. Mathematica slovaca, Tome 50 (2000) no. 4, pp. 453-461. http://geodesic.mathdoc.fr/item/MASLO_2000__50_4_a5/