NURITDINOV, Jalolxon; SHARIFJONOVA, Malikabonu. LOBACHEVSKIY GEOMETRIYASINING BA’ZI MASALALARI TAHLILI. University Research Base, [S. l.], p. 869–874, 2024. Disponível em: https://scholar.kokanduni.uz/index.php/rb/article/view/745. Acesso em: 14 apr. 2025.