BARABASH О., MUSIENKO А., & MAKARCHUK А. (2023). THE COMPARATIVE ANALYSIS OF CALCULATION METHODS OF INDICATOR OF FUNCTIONAL STABILITY OF INFORMATIONS SYSTEMS ON EXAMPLE ON FULL OVERHAUL AND LYTVAK-USHAKOFF METHOD . MEASURING AND COMPUTING DEVICES IN TECHNOLOGICAL PROCESSES, (4), 57–63. https://doi.org/10.31891/2219-9365-2023-76-7