00655nam0-22002291i-450-990001286440403321000128644FED01000128644(Aleph)000128644FED01000128644--------d--------km-y0itay50------baeng<<An >>introduction to algebraic structuresby ROSENFELD AzrielSan FranciscoHolden-Day1968Rosenfeld,Azriel11948ITUNINARICAUNIMARCBK99000128644040332120-D-158767MA1MA1Introduction to algebraic structures384677UNINA