00542naa#a2200169#i#450# EN\\bibl\51580 20240506033057.1 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. jcenter.kemsu.ru