HUGHES, C. B.; TAYLOR, L. R. Bounded homeomorphisms over Hadamard manifolds. MATHEMATICA SCANDINAVICA, [S. l.], v. 73, p. 161–176, 1993. DOI: 10.7146/math.scand.a-12462. Disponível em: https://www.mscand.dk/article/view/12462. Acesso em: 2 may. 2024.