http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
lectures given at the Centro Internazionale Matematico Estivo (C.I.M.E.) held in Urbino (Pesaro), Italy, July 2 - 12, 1962
C.I.M.E. Summer School (1962 : Urbino, Italy)
Reprint of the 1. ed. C.I.M.E., Ed. Cremonese, Roma, 1962.