BoichukO., PanasenkoY. and PokutnyiO. 2024. Boundary-value problems for the Lyapunov equation. І. Ukrains’kyi Matematychnyi Zhurnal. 76, 3 (Mar. 2024), 353 - 372. DOI:https://doi.org/10.3842/umzh.v76i3.7785.