TY JOUR TI MATHEMATICAL MODELING OF MULTIMODAL TRANSPORTATION IN THE FAR NORTH KW many-to-many distribution KW hub-and-spoke transport network KW integer programming KW economy of scale KW commercial export terminal JO Vestnik of Astrakhan State Technical University. Series: Marine engineering and technologies AU Izotov, O.. AU Golovtsov, D.. PY 2016 IS 2016 PB Astrakhan State Technical University