Lima Antunes, Anna Karenina, and Cátia Regina Oliveira Quilles Queiroz. “Tessellations in the Hyperbolic Plane”. Sigmae 6, no. 2 (October 9, 2018): 69–77. Accessed April 28, 2024. https://publicacoes.unifal-mg.edu.br/revistas/index.php/sigmae/article/view/623.