00687nam0-22002411i-450-990001183660403321000118366FED01000118366(Aleph)000118366FED0100011836620000920d1974----km-y0itay50------baengEinstein, Hilbert and the Theory of Gravitationby MEHRA JAGDISH.Dordrecht (NL)Reidel1974Mehra,Jagdish40832ITUNINARICAUNIMARCBK990001183660403321117-G-2117708MA1MA1Einstein, Hilbert, and the theory of gravitation186240UNINAING01