%0 Journal Article %T Mathematical model for calculation of data sources in building membership function in problems of estimating reliable hydrocarbon reserves %A Kozhevnikova, P.. %A Kuntsev, V.. %A Chuvashov, A.. %K fuzzy relations, reliability assessment, hydrocarbon reserves, number of data sources, stray field, density map %J Vestnik of Astrakhan State Technical University. Series: Management, computer science and informatics %D 2023 %N %P 6 %I Astrakhan State Technical University