TY JOUR TI Object-oriented modeling of ship propulsion systems KW complex model KW mathematical model KW object-oriented modeling KW propulsive system KW ship system JO Vestnik of Astrakhan State Technical University. Series: Marine engineering and technologies AU Grinek, A.. AU Boychuk, I.. AU Fishenko, A.. AU Aleksyanc, S.. AU Slepov, O.. AU Chirkov, E.. PY 2025 IS 2025 PB Astrakhan State Technical University