@Article{612305,
     author = "Jacek Pera",
     title = "The European Union’s Geopolitical and Economic Situation in Nowadays World : The risk-based perspective ",
     year =  2017,
     volume =  17,
     number =  2,
     journal =  Roczniki Administracji i Prawa,
     pages =  s. 143-159,
    }