Ralph Ernest Powers (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Ralph Ernest Powers" in English language version.

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ams.org

R. E. Powers (1911). "The Tenth Perfect Number". American Mathematical Monthly. 18 (11): 195–197. doi:10.2307/2972574. JSTOR 2972574. The article is signed "DENVER, COLORADO, June, 1911"
R. E. Powers (1934). "Note on a Mersenne Number". Bulletin of the American Mathematical Society. 40 (12): 883. doi:10.1090/s0002-9904-1934-05994-9.

R. E. Powers (1911). "The Tenth Perfect Number". American Mathematical Monthly. 18 (11): 195–197. doi:10.2307/2972574. JSTOR 2972574. The article is signed "DENVER, COLORADO, June, 1911"

[1]^{[dead link‍]} Proc. London Math. Soc. (1914) s2–13 (1): 1. Result presented at a meeting with London Mathematical Society on June 11, 1914. Retrieved 2016-04-17.