@article{700888,
title = {Circumscribing convex sets},
booktitle = {General Topology and its Relations to Modern Analysis and Algebra},
series = {GDML\_Books},
publisher = {Academia Publishing House of the Czechoslovak Academy of Sciences},
address = {Praha},
year = {1967},
pages = {74-76},
zbl = {0157.52503},
url = {http://dml.mathdoc.fr/item/700888}
}
Bourgin, D. G.; Mendel, C. W. Circumscribing convex sets, dans General Topology and its Relations to Modern Analysis and Algebra, GDML_Books, (1967), pp. 74-76. http://gdmltest.u-ga.fr/item/700888/