@article{GDZPPN002347997,
title = {On Weak Separation of Convex Sets and on ...-Ubiquitous Sets.},
journal = {Mathematica Scandinavica},
volume = {16},
year = {1965},
pages = {55-74},
zbl = {0137.09401},
url = {http://dml.mathdoc.fr/item/GDZPPN002347997}
}
Stenberg, Warren. On Weak Separation of Convex Sets and on ...-Ubiquitous Sets.. Mathematica Scandinavica, Tome 16 (1965) pp. 55-74. http://gdmltest.u-ga.fr/item/GDZPPN002347997/