00654nam0-22002411i-450-990001187570403321000118757FED01000118757(Aleph)000118757FED0100011875720000920d1968----km-y0itay50------baengSpace Time and Relativityby NEVANLINNA R .LondonAddison-Wesley1968Nevanlinna,Rolf<1895-1980>26266ITUNINARICAUNIMARCBK99000118757040332129-H-47942MA1MA1Space time and relativity332423UNINAING01