Ali, Wadia. “Operator Approach in Solving the Problem of Small Motions of a System of Ideal Capillary Fluids”. Tishreen University Journal -Basic Sciences Series 33, no. 1 (August 19, 2019). Accessed November 24, 2024. https://journal.tishreen.edu.sy/index.php/bassnc/article/view/5198.