The absolute differential calculus Lezioni di calcolo differenziale assoluto. English [from old catalog] Levi-Civita, Tullio, 1873-1941. Persico, Enrico, 1900-1969. [from old catalog] ed. Long, Marjorie, [from old catalog] tr. Differential calculus. Relativity (Physics) QA433 .L4 517.2 LEA London and Glasgow, Blackie & son limited, 1927. 1927. 1927 Text p. cm. eng