TY JOUR TI ASSESSMENT OF INFLUENCE OF WEAR AND TEAR OF THE STERN SHAFT BEARING ON ITS OWN FREQUENCY WHILE CROSS FLUCTUATIONS OF SHAFT LINES OF THE VESSEL KW shaft lines KW cross-section fluctuations KW wear of the stern shaft bearing JO Vestnik of Astrakhan State Technical University. Series: Marine engineering and technologies AU Khalyavkin, A.. AU Komarov, M.. AU Mamontov, V.. PY 2014 IS 2014 PB Astrakhan State Technical University