TY JOUR TI INNOVATIVE TECHNOLOGIES IN THE FIELD OF SHIPPING AND SHIPBUILDING FOR THE NSR AND FREEZING RIVERS KW icebreaking vessels KW screw-steering complex KW ice penetration KW wheeled vessel KW ice cutter JO Operation of Maritime Transport AU Falmonov, E.V. AU Sidekin, Y.V. AU Cherepkova, E.A. PY 2022 IS PB Budget Educational Institution of Higher Education “Admiral Ushakov State Maritime University”