VICHIAN LAOHAKOSOL. Approximation of Exponentials in the p-Adic Domain. Agriculture and Natural Resources, Bangkok, Thailand, v. 25, n. 4, p. 484–488, 1991. Disponível em: https://li01.tci-thaijo.org/index.php/anres/article/view/242003. Acesso em: 19 sep. 2026.