TY JOUR TI Legal aspects of the activities of an authorized economic operator in the Eurasian economic union: problems and prospects KW authorized economic operator KW Eurasian economic union KW customs KW customs authorities KW foreign economic activity JO Legal Science and Practice: Journal of Nizhny Novgorod Academy of the Ministry of Internal Affairs of Russia AU Loginova, A.S. AU Odinokova, A.V. PY 2021 IS 2021 PB Nizhny Novgorod Academy of the Ministry of the Interior of Russia