Dykha, O., A. Staryi, V. Dytyniuk, and M. Dykha. “Determination of the Dynamic Hardness of Greases As a Characteristic of Deformation Properties in a Tribocontact”. Problems of Tribology, vol. 27, no. 1/103, Mar. 2022, pp. 65-75, doi:10.31891/2079-1372-2022-103-1-65-75.