00815nam0-22003131i-450-9900012550404033210-12-387850-0000125504FED01000125504(Aleph)000125504FED0100012550420000920d1977----km-y0itay50------baengTopos theoryP. T. JohnstoneLondon [etc.]Academic Press1977xxiii, 367 p.ill.24 cmL.M.S. Monographs10Teoria dei topoi512.55Johnstone,Peter T.60416ITUNINARICAUNIMARCBK990001255040403321C-65-(1019470MA1MA118B25Topos theory380912UNINAING01