ABDURAHMONOV , U. . EKSTREMAL MASALALARNI YECHISHDA TENGSIZLIKLAR USULIDAN FOYDALANISH. Eurasian Journal of Academic Research, [S. l.], v. 2, n. 12, p. 1239–1242, 2022. Disponível em: https://in-academy.uz/index.php/ejar/article/view/6712. Acesso em: 7 apr. 2026.