I wish I had a more modern summary of the papers mentioned in the linked paper
> Tannery, Fonctions d'une Variable, 1886, p. 147. Osgood, Lehrbueh
der Funktionentheorie, 1912, p. 582. Van Vleck and H'Doubler, Transactions Amer. Math. Society, vol. 17 (1916), p. 30
because we spent an entire semester at the university in one class working on these two.
> because we spent an entire semester at the university in one class working on these two.
Yeah, the Math Overflow answers are a bit sparse, and I think the Euler formulation (while clever) is a bit of a red herring and might be circular. Trying to slowly go through that 1917 paper, thanks for linking!
I wish I had a more modern summary of the papers mentioned in the linked paper
> Tannery, Fonctions d'une Variable, 1886, p. 147. Osgood, Lehrbueh der Funktionentheorie, 1912, p. 582. Van Vleck and H'Doubler, Transactions Amer. Math. Society, vol. 17 (1916), p. 30
because we spent an entire semester at the university in one class working on these two.