%0 Journal Article %T Safe manouvering of more than one ship while entering a port fairway, narrows having a small crew in the light of e-Navigation concept development %A Popov, A.N. %K ergatic, maneuvering, information approach, e-Navigation, entropy, negentropy, probability %J Operation of Maritime Transport %D 2019 %N %P 5 %I Budget Educational Institution of Higher Education “Admiral Ushakov State Maritime University”