Makarov, V. L., N. V. Mayko, and V. L. Ryabichev. 2023. “Realization of the Exact Three-Point Finite-Difference Schemes for the System of Second-Order Ordinary Differential Equations”. Ukrains’kyi Matematychnyi Zhurnal 75 (1): 72-95. https://doi.org/10.37863/umzh.v75i1.7373.