SH.M.KARIMOVA; YO.I.ISMOILOV. MATEMATIKA VA MATEMATIKA EMAS. Scientific Impulse, [S. l.], v. 2, n. 18, p. 264–274, 2024. Disponível em: https://nauchniyimpuls.ru/index.php/ni/article/view/14958. Acesso em: 29 mar. 2025.