%0 Journal Article %T Methodological principle of the optimal option chose of transportation in tramp shipping %A Eglit, Y.Y. %A Kovtun, A.. %A Eglite, K.Y. %A Telyatnikov, A.. %K system, tramp tonnage, optimal plan, solution, ballast mn %J Operation of Maritime Transport %D 2021 %N %P 3 %I Budget Educational Institution of Higher Education “Admiral Ushakov State Maritime University”