00792nam0-22002651i-450-990001025200403321000102520FED01000102520(Aleph)000102520FED0100010252020000920d???----km-y0itay50------baeng<<A >>Simplified Presentation of Einstein's Unified Field EquationsTullio Levi-CivitaNew York [etc.]Blackie[s.d.]RelativitàGravità530.11Levi-Civita,Tullio<1873-1941>6609ITUNINARICAUNIMARCBK99000102520040332123-0131600FI1FI1Simplified Presentation of Einstein's Unified Field Equations339562UNINA