Saito, Takeshi. “Ramification Groups of Coverings and Valuations”. Tunisian Journal of Mathematics, vol. 1, no. 3, 2019, pp. 373-26, https://doi.org/10.2140/tunis.2019.1.373.
Saito, T. (2019). Ramification groups of coverings and valuations. Tunisian Journal of Mathematics, 1(3), 373-426. https://doi.org/10.2140/tunis.2019.1.373
Saito T. Ramification groups of coverings and valuations. Tunisian Journal of Mathematics. 2019;1(3):373-426.