FARNANA, Z. Pointwise regularity for solutions of double obstacle problems on metric spaces. MATHEMATICA SCANDINAVICA, [S. l.], v. 109, n. 2, p. 185–200, 2011. DOI: 10.7146/math.scand.a-15184. Disponível em: https://www.mscand.dk/article/view/15184. Acesso em: 23 apr. 2024.