[1]
Marchuk, N. and Semenyshyna, I. 2022. ABOUT THE INVARIANT TORS OF CALCULATION SYSTEMS OF DIFFERENTIAL EQUATIONS CONTAINING DEVIATIONS OF A DISCRETE ARGUMENT. European Science. 1, sge09-01 (Feb. 2022), 95–108. DOI:https://doi.org/10.30890/2709-2313.2022-09-01-012.