AFSHAR, N. . Sphere P acking Bound for E-capacity of Secrecy Leakage of the Broadcast Channel With Confidential Messages. Mathematical Problems of Computer Science, [S. l.], v. 37, p. 39–44, 2021. Disponível em: http://www.mpcs.sci.am/index.php/mpcs/article/view/250. Acesso em: 2 may. 2025.