A sandwich with convexity for set-valued functions.
Sadowska, Elżbieta
Mathematica Pannonica, Tome 7 (1996), p. 163-169 / Harvested from The Electronic Library of Mathematics
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Publié le : 1996-01-01
EUDML-ID : urn:eudml:doc:229515 
@article{00874357,
     title = {A sandwich with convexity for set-valued functions.},
     journal = {Mathematica Pannonica},
     volume = {7},
     year = {1996},
     pages = {163-169},
     zbl = {0841.26015},
     language = {en},
     url = {http://dml.mathdoc.fr/item/00874357}
}

Sadowska, Elżbieta. A sandwich with convexity for set-valued functions.. Mathematica Pannonica, Tome 7 (1996) pp. 163-169. http://gdmltest.u-ga.fr/item/00874357/