http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
lectures given at the 1st 1987 session of the Centro internazionale matematico estivo (C.I.M.E.) held at Noto, Italy, May 25-June 3, 1987
Lecture notes in mathematics (Springer-Verlag) 1385