GONÇALVES, Daciberg Lima. HISTORICAL ASPECTS OF THE DISCOVERY OF THE EULER CHARACTERISTIC AND SOME OF ITS DEVELOPMENTS IN MODERN TOPOLOGY. Brazilian Journal on the History of Mathematics, São Paulo, vol. 9, no. 17, p. 65–75, 2020. DOI: 10.47976/RBHM2009v9n1765-75. Disponível em: https://mail.rbhm.org.br/index.php/RBHM/article/view/170. Acesso em: 25 nov. 2024.