Gorbiychuk, M., Bila, O. and Humeniuk, T. 2019. Modeling the parallelism of empirical models of optimal complexity using a Petri net. Eastern-European Journal of Enterprise Technologies. 3, 4 (99) (Jun. 2019), 56–68. DOI:https://doi.org/10.15587/1729-4061.2019.171632.