00463naa#a2200157#i#450# EN\\bibl\82175 20241126193203.2 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 chemintech.ru