00547naa#a2200169#i#450# EN\\bibl\51580 20240506083632.1 2500-3372 20220705b2022####ek#y0engy0150####ca RU Statistical Optimization of Regional Economy Indices in a Heterogeneous Changeable Environment Journal article Kemerovo Kemerovo State University 2022 10 с. Journal article local Cherkashin Alexandr K. Myadzelets Anastasia V. vestnik-pses.kemsu.ru