For citations:

Demenchuk A.K., Makarov E.K. Necessary condition of solvability of the control problem of the asynchronous spectrum of linear periodic systems with non-degenerate matrix in control in non-resonant case. Proceedings of the Institute of Mathematics of the NAS of Belarus. 2026;34(1):76-84. (In Russ.) https://doi.org/10.67268/1812-5093-2026-34-1-76-84. EDN: DQVILP