ALI, W. Operator methods for solving the problem of small motions of a dissipative hydrodynamical system. Tishreen University Journal -Basic Sciences Series, [S. l.], v. 37, n. 2, 2019. Disponível em: https://journal.tishreen.edu.sy/index.php/bassnc/article/view/1511. Acesso em: 24 nov. 2024.