00834nam0-22003131i-450-990002570670403321000257067FED01000257067(Aleph)000257067FED0100025706720000920d1965----km-y0itay50------baENGTheory of categoriesBarry Mitchell.New YorkAcademic Press1965.xi, 273 p. , 23 cmPure and applied mathematics17InsiemiStrutture algebriche516Mitchell,Barry346894ITUNINARICAUNIMARCBK990002570670403321MXXV-A-18489MASMXXV-A-19397MASMASTheory of categories79712UNINAING01