JOHNSON, P.; RAMU, G. Class of bounded operators associated with an atomic system. Tamkang Journal of Mathematics, [S. l.], v. 46, n. 1, p. 85–90, 2014. DOI: 10.5556/j.tkjm.46.2015.1601. Disponível em: https://journals.math.tku.edu.tw/index.php/TKJM/article/view/1601. Acesso em: 29 apr. 2024.