APS Copyright

The APS online archive page for the following article may be reached by clicking on its DOI:

    David N. Williams, "Energy-Momentum Conservation Implies Translation Invariance: Some Didactic Remarks," J. Math. Phys. 8, 1807–1816 (1967).
    Copyright © (1968) by the American Physical Society
    DOI: 10.1063/1.1705424

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