BIN JEBREEN, H. M. On Twisted Sums of Sequence Spaces. JOURNAL OF ADVANCES IN MATHEMATICS, [S. l.], v. 15, p. 8133–8144, 2018. DOI: 10.24297/jam.v15i0.7901. Disponível em: https://rajpub.com/index.php/jam/article/view/7901. Acesso em: 14 apr. 2025.