TY JOUR TI Economic and Mathematical Analysis of the Fishery and Transports Vessels’ Coordinated Actions in Fishing Areas KW operations’ analysis KW organization of the fleet KW fishing areas KW profitability KW mathematical modeling KW optimal planning JO Operation of Maritime Transport AU Antonova, E.I. AU Voinov, I.N. PY 2021 IS PB Budget Educational Institution of Higher Education “Admiral Ushakov State Maritime University”