INVESTIGATION OF NATURAL OSCILLATIONS IN LONGITUDINALLY REINFORCED CYLINDRICAL SHELLS CONTAINING AN ELASTIC FILLER. Journal of Multidisciplinary Sciences and Innovations, [S. l.], v. 5, n. 03, p. 345–350, 2026. DOI: 10.55640/. Disponível em: https://ijmri.de/index.php/jmsi/article/view/6225. Acesso em: 13 mar. 2026.