@article{bwmeta1.element.desklight-af26223b-097b-4e2b-a3c0-b7b3b3ce1358,
author = {W. Waliszewski},
title = {On the tagency of sets in a metric space},
journal = {Colloquium Mathematicae},
volume = {14},
year = {1966},
pages = {129-133},
zbl = {0141.39201},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.desklight-af26223b-097b-4e2b-a3c0-b7b3b3ce1358}
}
W. Waliszewski. On the tagency of sets in a metric space. Colloquium Mathematicae, Tome 14 (1966) pp. 129-133. http://gdmltest.u-ga.fr/item/bwmeta1.element.desklight-af26223b-097b-4e2b-a3c0-b7b3b3ce1358/