ANDERSSON, Lars. The Bonnet-Meyers theorem is true for Riemann Hilbert Manifolds. Mathematica Scandinavica, Berkeley, CA, United States, v. 58, p. 236–238, 1986. DOI: 10.7146/math.scand.a-12143. Disponível em: https://journals.msp.org/mscand/article/view/1487. Acesso em: 25 jul. 2026.