MASUDA, T. A simple sufficient condition for triviality of obstructions in the orbifold construction for subfactors. MATHEMATICA SCANDINAVICA, [S. l.], v. 121, n. 1, p. 101–110, 2017. DOI: 10.7146/math.scand.a-26240. Disponível em: https://www.mscand.dk/article/view/26240. Acesso em: 19 oct. 2021.