TY - GEN N1 - Bibliogr.: p. 10-12. ; összefoglalás angol nyelven EP - 12 SN - 1417-3875 A1 - Pokutnyi Oleksandr Y1 - 2023/// CY - Szeged AV - public ID - acta82294 N2 - In the given article the necessary and sufficient conditions of the existence of solutions of boundary value problem for the nonlinear system in the Hilbert spaces are obtained. Examples of such systems like a Lotka?Volterra are considered. Bifurcation and branching conditions of solutions are obtained. UR - http://acta.bibl.u-szeged.hu/82294/ KW - Hilbert tér KW - Differenciálegyenlet TI - Complex dynamics of the system of nonlinear difference equations in the Hilbert space ER -