00642naa#a2200169#i#450# EN\\bibl\109459 20260201234619.7 2658-4026 20251224b2025####ek#y0engy0150####ca RU Foundations of Relational Theory in Structuring and Class Distribution of Data in Production-Economic Sector of the Penitentiary System Journal article Bryansk Bryansk State Technical University 2025 10 с. Journal article local объектная. 004.045 на структуру данных. 004.043 Ponomarev Dmitriy Sergeevich naukaru.ru