00790nam0-22003131i-450-9900012635804033210-387-90355-0000126358FED01000126358(Aleph)000126358FED0100012635820000920d1979----km-y0itay50------baengUniversal algebraGeorge Gratzer2nd ed.New YorkSpringer-Verlagc1979xviii, 581 p.ill.24 cmAlgebra512Gratzer,George41999ITUNINARICAUNIMARCBK99000126358040332110-C-1821062MA1MA108-02Universal algebra348702UNINAING01