00868nam0-22003131i-450-9900011031104033210-19-851169-8000110311FED01000110311(Aleph)000110311FED0100011031120000920d1988----km-y0itay50------baengFlat and Curved Space-TimeGeorge F.R. Ellis and Ruth M. Williamsdiagrams by Mauro CarforaOxfordClarendon Press1988RelativitàGravità530.11Ellis,George F.R.45649Carfora,MauroWilliams,Ruth M.ITUNINARICAUNIMARCBK99000110311040332123-19817692FI1FI1Flat and Curved Space-Time338179UNINAING01