00911nam0-22003251i-450-99000134892040332120140612112948.00-521-33612-0000134892FED01000134892(Aleph)000134892FED0100013489220001205d1988----km-y0itay50------baengSpacetime and Singularitiesan introductionGregory L. Naberreprinted 1993CambridgeCambridge University Press1988xi, 180 p.23 cmLondon Mathematical Society student texts11RelativitàGravità530.11Naber,Gregory L.53142ITUNINARICAUNIMARCBK99000134892040332123-258FI1FI1Spacetime and Singularities376107UNINA