SKUP, Z. Forced Vibration of a Nonlinear Stationary System with a Friction Clutch, Structural Friction Being Taken Into Consideration. Engineering Transactions, [S. l.], v. 39, n. 3-4, p. 369–387, 1991. Disponível em: https://et3.ippt.pan.pl/index.php/et/article/view/1632. Acesso em: 24 apr. 2025.