00853nam0-22002771i-450-9900011075704033213-9800942-3-5000110757FED01000110757(Aleph)000110757FED0100011075720000920d1990----km-y0itay50------baengFoundations of Mathematics & PhysicsProceedings of the Conference, Perugia, Italy, 1989Editors Umberto Bartocci, J. Paul WesleyBlumbergBenjamin Wesley1990Fondamenti delle scienze fisiche e naturali501Bartocci,Umberto52881ITUNINARICAUNIMARCBK9900011075704033214-23318279FI1FI1Foundations of Mathematics & Physics337704UNINAING01