CARRIÓN RIVEROS, C.; VÁSQUEZ CORRO, A. Laplace invariants in hypersurfaces parametrized by lines of curvature. Selecciones Matemáticas, [S. l.], v. 4, n. 01, p. 30-37, 2017. DOI: 10.17268/sel.mat.2017.01.04. Disponível em: https://revistas.unitru.edu.pe/index.php/SSMM/article/view/1422. Acesso em: 3 may. 2024.