HWANG, C.-L. $ \pi $ at the limits of computation. Tamkang Journal of Mathematics, [S. l.], v. 35, n. 4, p. 305–312, 2004. DOI: 10.5556/j.tkjm.35.2004.189. Disponível em: https://journals.math.tku.edu.tw/index.php/TKJM/article/view/189. Acesso em: 4 dec. 2024.