Eigen oscillations of fluid in a cylindrical reservoir with arbitrary axis-symmetrical bottom and elastic elements on the free surface of the liquid. Neliniini Kolyvannya, [S. l.], v. 13, n. 4, p. 461–482, 2010. Disponível em: https://twinhead.imath.kiev.ua/index.php/nosc/article/view/576. Acesso em: 21 jan. 2026.