Jaichibekov, Nurbulat Z., Sergey K. Matveev, and Dmitry G. Sidorov. 2020. “Calculation of Stratified Two-Phase Flow in a Pipe”. Vestnik of Saint Petersburg University. Mathematics. Mechanics. Astronomy 4 (1):131-35. https://math-mech-astr-journal.spbu.ru/article/view/8582.