CHECHEIBAEV, B. C. Outflow of gas and solid particles with critical velocity from vessel. Journal of Mathematics, Mechanics and Computer Science, [S. l.], v. 65, n. 2, p. 87–93, 2010. Disponível em: https://bm.kaznu.kz/index.php/kaznu/article/view/239. Acesso em: 27 sep. 2024.