A sandwich with convexity.
Baron, Karol ; Matkowski, Janusz ; Nikodem, Kazimierz
Mathematica Pannonica, Tome 5 (1994), p. 139-144 / Harvested from The Electronic Library of Mathematics
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Publié le : 1994-01-01
EUDML-ID : urn:eudml:doc:223256 
@article{00617210,
     title = {A sandwich with convexity.},
     journal = {Mathematica Pannonica},
     volume = {5},
     year = {1994},
     pages = {139-144},
     zbl = {0803.39011},
     language = {en},
     url = {http://dml.mathdoc.fr/item/00617210}
}

Baron, Karol; Matkowski, Janusz; Nikodem, Kazimierz. A sandwich with convexity.. Mathematica Pannonica, Tome 5 (1994) pp. 139-144. http://gdmltest.u-ga.fr/item/00617210/