00859nam0-22003131i-450-990000834220403321200010100-387-90035-7000083422FED01000083422(Aleph)000083422FED0100008342220001010d--------km-y0itay50------baitay-------001yyCategories for the Working MathematicianS.MacLaneNew YorkSpringer-Verlag1971IX, 262 p.24 cmGratuate Texts in Mathematics5512Mac Lane,Saunders26298ITUNINARICAUNIMARCBK99000083422040332102 21 B 203565FINBNFINBNCategories for the working mathematician32403UNINAING01