Essaouini, Hilal, and Pierre Capodanno. “Mathematical Study of the Small Oscillations of a Finite Cylindrical Column Liquid-Gas under Zero Gravity”. Global Journal of Mathematical Analysis 7, no. 1 (August 25, 2019): 4–14. Accessed December 22, 2024. https://sciencepubco.com/index.php/GJMA/article/view/26540.