[1]
V. L. . Makarov, N. V. . Mayko, and V. L. . Ryabichev, “Realization of the exact three-point finite-difference schemes for the system of second-order ordinary differential equations”,
Ukr. Mat. Zhurn., vol. 75, no. 1, pp. 72–95, Feb. 2023, doi:
10.37863/umzh.v75i1.7373.