KHAN, Abdul Gaffar; DAS, Tarun. Topologically stable and persistent points of group actions. Mathematica Scandinavica, Berkeley, CA, United States, v. 129, n. 1, 2023. DOI: 10.7146/math.scand.a-134098. Disponível em: https://journals.msp.org/mscand/article/view/96. Acesso em: 24 jul. 2026.