00696nam0-22002531i-450-990001272700403321000127270FED01000127270(Aleph)000127270FED0100012727020000920d1972----km-y0itay50------baengGroups of automorphisms of algebraic systemsby PlotkinGroningenWolters-Noordhoff1972Plotkin,B.I.58212ITUNINARICAUNIMARCBK99000127270040332111-H-3312567MA1MA1Groups of automorphisms of algebraic systems380252UNINAING01