Kutniv, M. V., and Krol М. 2022. “New Algorithmic Implementation of Exact Three-Point Difference Schemes for Systems of Nonlinear Ordinary Differential Equations of the Second Ord”. Ukrains’kyi Matematychnyi Zhurnal 74 (2), 204 -19. https://doi.org/10.37863/umzh.v74i2.6935.