Thermodynamic analysis of the results of multi-cycle teststing of a sample in a three-dimensional state - L. M. Zakharova; O. L. Tiutkin; O. V. Chesnokova; I. V. Nazymko; O. B. Kusen; N. K. Petrosian; A. V. Shybaieva (Fyzyko-tekhnycheskye problemy hornoho proyzvodstva, 2018)