Models for Managing Production Systems of Machine-Building Enterprises Based on the Development and Using of Their Digital TwinsVitalii A. Dolgov, Petr. A. Nikishechkin, Vladimir E. Arkhangelskii, Pavel I. Umnov and Alexey A. PodkidyshevEPJ Web Conf., 248 (2021) 04015DOI: https://doi.org/10.1051/epjconf/202124804015