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Les équations de la dynamique de l'éther


    THIS monograph, dealing with the general theory of relativity, has a particular interest of its own in so far as it deals with a novel application of a recent generalisation of M. Cartan to the dynamics of the ether. Besides a brief historical introduction of three pages, and an appendix of nine pages on the technique of space and time measurements, there are two chapters, one of nearly thirty pages, dealing with the geometry of the spaces of the relativity theories, and another of nearly twenty pages dealing with the application of the principle of least action to the theories of gravitational and electromagnetic fields.

    Les équations de la dynamique de l'éther.

    Par Prof. Henri Eyraud. Pp. iii + 67. (Paris: Albert Blanchard, 1926.) 12 francs.

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