00685nam0-22002531i-450-990001124340403321000112434FED01000112434(Aleph)000112434FED0100011243420000920d1988----km-y0itay50------baengGroups and symmetrydi ArmstrongNew York [etc.]Springer-Verlag1988Undergraduate Texts in MathematicsArmstrong,M.A.54042ITUNINARICAUNIMARCBK990001124340403321C-4-(405236MA1MA1Groups and symmetry345084UNINAING01