BIŞGIN, M. C. Almost convergent sequence spaces derived by the domain of quadruple band matrix. Annales Universitatis Paedagogicae Cracoviensis Studia Mathematica, [S. l.], v. 19, p. 155–170, 2020. Disponível em: https://studmath.uken.krakow.pl/article/view/7930. Acesso em: 21 nov. 2024.