%0 Journal Article %T On the theoretical foundations of evaluating the effectiveness of a complex information system %A Erzhenin, R.. %K complex information system, efficiency, synergetic effect, adaptation, centralization of functions, benchmarking %J Vestnik of Astrakhan State Technical University. Series: Management, computer science and informatics %D 2024 %N 2024 %P 5 %I Astrakhan State Technical University