Cauteș, Gheorghe. “The Parametrical Free Vibrations of Elastic Systems. The Analytical Exact Solutions”. Analele Universităţii "Dunărea de Jos" din Galaţi. Fascicula XIV, Inginerie mecanică = Annals of “Dunarea de Jos“ University of Galati. Fascicle XIV, Mechanical Engineering 19, no. 1 (June 1, 2012): 55-58. Accessed May 2, 2024. https://www.gup.ugal.ro/ugaljournals/index.php/im/article/view/3694.