SATO, Y. $d$-Minimal Surfaces in Three-Dimensional Singular Semi-Euclidean Space $\mathbb{R}^{0,2,1}$. Tamkang Journal of Mathematics, [S. l.], v. 52, n. 1, p. 37-67, 2021. DOI: 10.5556/j.tkjm.52.2021.3045. Disponível em: https://journals.math.tku.edu.tw/index.php/TKJM/article/view/3045. Acesso em: 25 jun. 2021.