A search system for media content in telegram messenger. Mathematical Machines and Systems, [S. l.], n. 1, p. 52–63, 2021. DOI: 10.34121/1028-9763-2021-1-52-63. Disponível em: https://www.j-mms.de/index.php/mms/article/view/2021-1-a6. Acesso em: 11 aug. 2026.