http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Problemi di geometria differenziale in grande
lectures given at the Centro Internazionale Matematico Estivo (C.I.M.E.), held in Sestriere (Torino), Italy, July 31-August 8, 1958