Khromova , G. ., Камалов I. ., and S. . Omonov. “MATHEMATICAL MODEL AND NUMERICAL RESEARCH ON MODELING OF THE COIL SPRING OF THE AXLE SUSPENSION OF HIGH-SPEED ELECTRIC TRAINS”. Eurasian Journal of Academic Research, vol. 5, no. 6, June 2025, pp. 10-15, https://www.in-academy.uz/index.php/ejar/article/view/54208.