CAISSE, D. . CONTRA-RIEMANNIAN, NEGATIVE MODULI FOR A LINE. Mathematical Statistician and Engineering Applications, [S. l.], v. 70, n. 2, p. 35–43, 2021. DOI: 10.17762/msea.v70i2.11. Disponível em: https://www.philstat.org/index.php/MSEA/article/view/11. Acesso em: 20 apr. 2024.