O.U.PULATOV; N.Z.TOSHTEMIROVA. Kramer usuli yordamida chiziqli tenglamalar sistemasini yechish va unga oid misollar . Science and Education, [S. l.], v. 7, n. 2, p. 9–12, 2026. Disponível em: https://openscience.uz/index.php/sciedu/article/view/8471. Acesso em: 25 feb. 2026.