TY JOUR TI Analysis of prospects for renewal of river tanker fleet under leasing and life-cycle contract conditions KW fleet renewal KW inland waterway transport KW leasing KW life cycle contract KW vessel construction financing KW river tankers JO Vestnik of Astrakhan State Technical University. Series: Economics AU Krasiuk, A.. AU Butsanets, A.. AU Mordasova, A.. PY 2023 IS PB Astrakhan State Technical University