MODDIY NUQTANING ERKIN TUSHISHI HARAKAT QONUNIYATLARINI LAGRANJ FUNKSIYASI ORQALI TEKSHIRISH. ICMSEP [Internet]. 2025 Mar. 25 [cited 2025 Apr. 20];:237-40. Available from: https://econfseries.com/index.php/7/article/view/1140