TYMOSHCHUK, O. (2023) “STUDY OF THE ACCURACY OF IMPROVED METHODS OF CALCULATING THE TIGHTNESS PARAMETERS OF OIL-FREE PISTON SEALS”, Herald of Khmelnytskyi National University. Technical sciences, 329(6), pp. 373–379. doi:10.31891/2307-5732-2023-329-6-373-379.