http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
lectures given at the 1st 1985 session of the Centro Internazionale Matematico Estivo (C.I.M.E.) held at Varenna (Como), Italy, May 31-June 8, 1985
Lecture notes in mathematics (Springer-Verlag) ; 1206