V. Kossov and O. Fedorenko, “Inversion of the density gradient under multicomponent mixing of gases in the vertical cylindrical channel”, Rec.Contr.Phys., vol. 2013, no. 4, pp. 37–44, Dec. 2013, Accessed: Jul. 13, 2026. [Online]. Available: https://bph.kaznu.kz/index.php/zhuzhu/article/view/755