Rădulescu, MariusMariusRădulescuZbăganu GheorghiţăRădulescu, Constanţa ZoieConstanţa ZoieRădulescu2025-03-262025-03-262019https://dspace.apps.devcloud.ici.ro/handle/123456789/221enMultiperiod portfolio selection models with proportional transaction costs and initial holdingsConference paper