Gregorio Ricci-Curbastro
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Gregorio Ricci-Curbastro was an Italian mathematician. He is most famous as the discoverer of tensor calculus.
Lezioni sulla teoria delle superficie, 1898
Lugo, Emilia-Romagna
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Lugo is a town and comune in the northern Italian region of Emilia-Romagna, in the province of Ravenna.
The Este Castle.
Il Pavaglione