GELLER, D.; PESENSON, I. Z. Kolmogorov and Linear Widths of Balls in Sobolev Spaces on Compact Manifolds. MATHEMATICA SCANDINAVICA, [S. l.], v. 115, n. 1, p. 96–122, 2014. DOI: 10.7146/math.scand.a-18005. Disponível em: https://www.mscand.dk/article/view/18005. Acesso em: 29 mar. 2024.