@article{700862,
title = {Structure of Tchebychev 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 = {356-358},
zbl = {0165.14302},
url = {http://dml.mathdoc.fr/item/700862}
}
Wulbert, D. E. Structure of Tchebychev sets, dans General Topology and its Relations to Modern Analysis and Algebra, GDML_Books, (1967), pp. 356-358. http://gdmltest.u-ga.fr/item/700862/