La teoria di \textit{Einstein} e il principio di \textit{Fermat}.

DOI10.1007/BF02959761zbMath46.1328.01OpenAlexW2074484617MaRDI QIDQ1471692

T. Levi-Civita

Publication date: 1918

Published in: Il Nuovo Cimento, VI. Series (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1007/bf02959761

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