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 Stresa (Varese), Italy, August 26-September 3, 1968
C.I.M.E. Summer School (1968 : Stresa, Italy)
Reprint of the 1st edition C.I.M.E., edition Cremonese, Roma 1969.
Heidelberg ; New York : Springer, with permission of Fondazione CIME Roberto Conti, c2010