00635naa#a2200169#i#450# EN\\bibl\39443 20210622104536.2 2073-5537 20200915b2020####ek#y0engy0150####ca RU Concepts, types and features of forming flow processes of sea port Article Astrakhan Astrakhan State Technical University 2020 7 с. Article local Управление предприятиями. Организация производства, торговли и транспорта. 65 Volynskiy Ilya Aleksandrovich vestnik.astu.org