00471naa#a2200157#i#450# EN\\bibl\82175 20251207020905.7 2221-3260 20230502b2023####ek#y0engy0150####ca RU Calculation of wholesale and retail prices Journal article Yaroslavl Yaroslavl State Technical University 2023 14 с. Journal article local Rossinskiy Viktor Petrovich theoreticaleconomy.ru