Sobir Jonkobilov, Shohruh Bahodirov, and Jahongir Ruzikulov. “EXPERIMENTAL STUDY OF THE POLYTROPIC COEFFICIENT IN A HYDRAULIC HAMMER IN AN AIR-WATER FLOW”. IMRAS, vol. 7, no. 11, Dec. 2024, pp. 196-00, https://journal.imras.org/index.php/sps/article/view/1917.