“A Garden of Integers.” Charming Proofs: A Journey into Elegant Mathematics, by Claudi Alsina and Roger B. Nelsen, 1st ed., vol. 42, Mathematical Association of America, 2010, pp. 1–18, www.jstor.org/stable/10.4169/j.ctt6wpwnz.5. Accessed 13 June 2021.
Alsina, C., & Nelsen, R. (2010). A Garden of Integers. In Charming Proofs: A Journey into Elegant Mathematics (pp. 1-18). Mathematical Association of America. Retrieved June 13, 2021, from http://www.jstor.org/stable/10.4169/j.ctt6wpwnz.5
Alsina, Claudi, and Roger B. Nelsen. "A Garden of Integers." In Charming Proofs: A Journey into Elegant Mathematics, 1-18. Mathematical Association of America, 2010. Accessed June 13, 2021. http://www.jstor.org/stable/10.4169/j.ctt6wpwnz.5.
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