TY JOUR TI Application of mathematical modeling in creating investment portfolio of commercial bank KW financial market KW investment policy KW portfolio investment KW securities market KW investment risk KW portfolio profitability KW mathematical models for assessing KW investment attractiveness of securities KW commercial bank JO Vestnik of Astrakhan State Technical University. Series: Economics AU Markova, O.. PY 2019 IS PB Astrakhan State Technical University