POYARKOV, I. OSCILLATING INSTABILITY IN A FINITE SIZE CYLINDRICAL CHANNEL. Recent Contributions to Physics, [S. l.], v. 2011, n. 2, p. 7–14, 2017. Disponível em: https://bph.kaznu.kz/index.php/zhuzhu/article/view/981. Acesso em: 9 feb. 2026.