STANISLAV ORDIN. Math-Phys-Chem-Virology. Global Journal of Science Frontier Research, [S. l.], v. 23, n. A5, p. 41–44, 2023. DOI: 10.34257/GJSFRAVOL23IS5PG41. Disponível em: https://journalofscience.org/index.php/GJSFR/article/view/102686. Acesso em: 21 apr. 2025.