TY JOUR TI SYSTEM OF FORMALIZED MODELS OF PORTFOLIO MANAGEMENT OF COMMERCIAL BANK PROJECTS KW project portfolio KW commercial banks KW management KW balance KW simulation model KW aggregate indicator KW risks KW game theory KW artificial neural network JO Vestnik of Astrakhan State Technical University. Series: Management, computer science and informatics AU Usmanova, Z.A. PY 2019 IS PB Astrakhan State Technical University