TY JOUR TI Optimal maneuvering of vessel towards emergency object KW ship maneuvering KW emergency object KW Pontryagin principle KW maximum speed KW saving operation efficiency index JO Vestnik of Astrakhan State Technical University. Series: Marine engineering and technologies AU Bobrovich, M.. AU Menshikov, V.. AU Penkovskaya, K.. PY 2021 IS PB Astrakhan State Technical University