%0 Journal Article %T Economic efficiency of development of ship shafting diagnosis system %A Kushner, G.. %A Ruban, A.. %A Gavrilova, O.. %A Shendo, M.. %K ship shafting, shafting vibrations, diagnostic system, economic efficiency, business modeling %J Vestnik of Astrakhan State Technical University. Series: Economics %D 2022 %N %P 8 %I Astrakhan State Technical University