VIGELAND, M. D. The group law on a tropical elliptic curve. MATHEMATICA SCANDINAVICA, [S. l.], v. 104, n. 2, p. 188–204, 2009. DOI: 10.7146/math.scand.a-15094. Disponível em: https://www.mscand.dk/article/view/15094. Acesso em: 7 apr. 2025.