SH.N.XAMITOV; O.U.PULATOV; D.M.UZAKOVA. Ikkinchi tartibli chiziqlarning markazi . Science and Education, [S. l.], v. 7, n. 4, p. 44–46, 2026. Disponível em: https://www.openscience.uz/index.php/sciedu/article/view/8701. Acesso em: 25 apr. 2026.