00869nam0-22003131i-450-9900014332304033210-521-56408-5000143323FED01000143323(Aleph)000143323FED0100014332320000920d1998----km-y0itay50------baengQuantum Gravity in 2+1 DimensionsSteven CarlipCambridgeCambridge University Press1998xiii, 276 p.25 cmCambridge monographs on mathematical physicsRelativitàGravità530.11Carlip,Steven61903ITUNINARICAUNIMARCBK99000143323040332123-2685966FI1FI1Quantum Gravity in 2+1 Dimensions374763UNINAING01