SZIRMAI, Jenő. Triangle angle sums related to translation curves in Sol geometry. Studia Universitatis Babeș-Bolyai Mathematica, [S. l.], v. 67, n. 3, p. 621–631, 2022. DOI: 10.24193/subbmath.2022.3.14. Disponível em: https://studia.reviste.ubbcluj.ro/index.php/subbmathematica/article/view/1558. Acesso em: 5 feb. 2025.