VALFELLS, A. Minimal piecewise linear cones in $\mathbb{R}^4$. MATHEMATICA SCANDINAVICA, [S. l.], v. 130, n. 1, 2024. DOI: 10.7146/math.scand.a-140336. Disponível em: https://www.mscand.dk/article/view/140336. Acesso em: 16 may. 2024.