PETROSYAN, A. S.; PETROSYAN, G. S. Selection of Methods to Provide End-to-End Email Traffic Security. Mathematical Problems of Computer Science, [S. l.], v. 46, p. 50–54, 2021. Disponível em: http://mpcs.sci.am/index.php/mpcs/article/view/147. Acesso em: 18 may. 2024.