00845nam0-22003011i-450-99000109782040332188-7088-184-9000109782FED01000109782(Aleph)000109782FED0100010978220000920d1988----km-y0itay50------baengNew Perspectives in Canonical GravityAsbhay AshtekarNapoliBibliopolis1988Monographs and textbooks in physical scienceLecture notes5RelativitàGravità530.11Ashtekar,Abhay45589ITUNINARICAUNIMARCBK99000109782040332123-19617096FI1FI1New Perspectives in Canonical Gravity335313UNINAING01