Notes
Here and elsewhere, we will use \(\mathbb {Z}\) to denote the set of all integers, \(\mathbb {Z}^+\) the set of positive integers, and \(\mathbb Q\) the set of rational numbers.
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Stroock, D.W. On Taking Square Roots. Math Intelligencer 41, 11–15 (2019). https://doi.org/10.1007/s00283-018-9824-4
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DOI: https://doi.org/10.1007/s00283-018-9824-4