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The Mathematical Association. Nature 184, 32–33 (1959). https://doi.org/10.1038/184032a0
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DOI: https://doi.org/10.1038/184032a0
Nature volume 184, pages 32–33 (1959)
The Mathematical Association. Nature 184, 32–33 (1959). https://doi.org/10.1038/184032a0
Issue Date:
DOI: https://doi.org/10.1038/184032a0