Georgiades, Fotios. “Equilibrium Points With Their Associated Normal Modes Describing Nonlinear Dynamics of a Spinning Shaft With Non-Constant Rotating Speed”. Journal of Vibration Testing and System Dynamics 2, no. 4 (August 17, 2026): 327–373. Accessed August 17, 2026. https://lhscientificpublishing.com/index.php/jvtsd/article/view/248.