RAJ, K.; NARRANIA, D.; MURSALEEN, M. λ-statistical convergence of double sequences of functions via difference operators. Annales Universitatis Paedagogicae Cracoviensis Studia Mathematica, [S. l.], v. 23, p. 47–60, 2024. Disponível em: https://studmath.uken.krakow.pl/article/view/11576. Acesso em: 22 dec. 2024.