Kopff, August, 1882- The mathematical theory of relativity / by A. Kopff ; translated by H. Levy ... ; with three diagrams.

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Kopff, August, 1882-

The mathematical theory of relativity / by A. Kopff ; translated by H. Levy ... ; with three diagrams.

Relativity (Physics)

1909.

Text.

Levy, H. (Hyman), 1889-