http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Wstęp do teorii mnogości i topologii. English
Translated from the rev. Polish ed. by Leo F. Boron.
International series of monographs on pure and applied mathematics ; v. 13
International series of monographs in pure and applied mathematics ; v. 13