@article {Protasov:2014:0166-8641:207,
title = "Ultrafilters on metric spaces",
journal = "Topology and its applications",
parent_itemid = "infobike://el/01668641",
publishercode ="el",
year = "2014",
volume = "164",
number = "1",
publication date ="2014-01-01T00:00:00",
pages = "207-214",
itemtype = "ARTICLE",
issn = "0166-8641",
url = "https://www.ingentaconnect.com/content/el/01668641/2014/00000164/00000001/art00018",
author = "Protasov, I. V.",
abstract = "",
}