Subsonic flutter calculation of an aircraft with nonlinear control system based on center-manifold reduction. Archives of Mechanics, [S. l.], v. 49, n. 1, p. 3–26, 1997. Disponível em: https://am.ippt.pan.pl/index.php/am/article/view/v49p3. Acesso em: 23 sep. 2025.