@Article{533794,
     author = "Juliusz Piwowarski, Jarosław Dziubiński",
     title = "Unipolarity: benefits and long perspective durability",
     year =  2015,
     volume =  ,
     number =  2 (14),
     journal =  Security Dimensions. International & National Studies,
     pages =  s. 108-118,
    }