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The Australian Mathematical Society. Nature 192, 114 (1961). https://doi.org/10.1038/192114e0
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DOI: https://doi.org/10.1038/192114e0
Nature volume 192, page 114 (1961)
The Australian Mathematical Society. Nature 192, 114 (1961). https://doi.org/10.1038/192114e0
Issue Date:
DOI: https://doi.org/10.1038/192114e0