NISHIZAWA, Y. Extended a constant part of Redheffer’s type inequalities. Tamkang Journal of Mathematics, [S. l.], v. 49, n. 1, p. 79–83, 2018. DOI: 10.5556/j.tkjm.49.2018.2505. Disponível em: https://journals.math.tku.edu.tw/index.php/TKJM/article/view/2505. Acesso em: 25 jun. 2025.