00567naa#a2200169#i#450# EN\\bibl\103285 20250915102537.1 2782-4586 20250904b2025####ek#y0engy0150####ca RU The importance of Lerner's equivalence theorem for determining the consequences of trade policy changes Journal article Moscow ITBO University 2025 6 с. Journal article local Теория внешней торговли. 339.5.01 Kirillov Viktor Nikolaevich jomeam.ru