The article was kept by Nikkimaria via FACBot ( talk) 3:33, 5 July 2021 (UTC) [1].
I have a number of concerns about this article's compliance with the FA criteria. First and foremost (as pointed out by Hog Farm), many places are entirely unsourced; this presents serious concerns under criterion 1c. Additionally, some of the sources that do exist are of questionable reliability: many are quite old (two are from 1710, while others are from 1847, 1859, 1891, 1901, 1915, 1919, 1923, etc.). The article is also nearly impossible to understand without a graduate-level mathematics education (some of this is inevitable given the topic, but more "engaging" prose is likely required nonetheless), and a quick perusal yields a self-reference ("as described elsewhere in this article") and numerous unnecessary duplinks. Extraordinary Writ ( talk) 21:03, 29 May 2021 (UTC) reply