Hien, H. N., Diep, N. V., Hai, D. N., & Canh, N. V. (1999). An algorithm for simultaneous determination of pressure and temperature distribution in oil-producing tube flow and the counter flow in gas-lift annulus. Vietnam Journal of Mechanics, 21(2), 99–115. https://doi.org/10.15625/0866-7136/9991