Oscillations of a two-layer ideal liquid in a rigid cylindrical reservoir with elastic bases. Neliniini Kolyvannya, [S. l.], v. 21, n. 4, p. 496–513, 2018. Disponível em: https://twinhead.imath.kiev.ua/index.php/nosc/article/view/926. Acesso em: 21 jan. 2026.