The equation $ds^2 = dx^2 + dy^2 + dz^2$
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- by E. T. Bell PDF
- Bull. Amer. Math. Soc. 26 (1920), 312-318
References
Additional Information
- Journal: Bull. Amer. Math. Soc. 26 (1920), 312-318
- DOI: https://doi.org/10.1090/S0002-9904-1920-03311-2
- MathSciNet review: 1560310