Markov, O., Gerasimenko, O., Aliieva, L., Shapoval, A. and Kosilov, M. 2019. Development of a new process for expanding stepped tapered rings. Eastern-European Journal of Enterprise Technologies. 2, 1 (98) (Mar. 2019), 39–46. DOI:https://doi.org/10.15587/1729-4061.2019.160395.