http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
edited by M. Farkas ; [technical editor A. Szep].
Papers presented at a colloquium organized by Bolyai Janos Mathematical Society at Keszthely, Hungary in 1974.
Colloquia mathematica Societatis János Bolyai ; 15