@Article{231779,
     author = "Gérard-François Dumont, Jean-Marc Zaninetti",
     title = "Demographic prospect for 2030 in Poland : the stakes of the EU enlargement ",
     year =  2005,
     volume =  ,
     number =  4,
     journal =  Bulletin of Geography. Socio-Economic Series,
     pages =  s. 37-56,
    }