STENSTRÖM, B. T. Dynamical Systems with a Certain Local Contraction Property. MATHEMATICA SCANDINAVICA, [S. l.], v. 11, p. 151–155, 1962. DOI: 10.7146/math.scand.a-10661. Disponível em: https://www.mscand.dk/article/view/10661. Acesso em: 22 nov. 2024.