Guliyev, H. 2025. THE FEATURES OF THE PROPAGATION OF ELASTIC WAVES IN ISOTROPIC MEDIA AT HIGH AND ULTRA-HIGH PRESSURES. Visnyk of Taras Shevchenko National University of Kyiv. Geology. 4, 79 (Jan. 2025), 27–34. DOI:https://doi.org/10.17721/17282713.79.04.