@Article{576560,
     author = "Robert Ptak",
     title = "Wezwanie do nawrócenia i misji w "Ecclesia in Europa" Jana Pawła II = Call to Conversion and Mission in John Paul II "Ecclesia in Europa"",
     year =  2017,
     volume =  21,
     number =  2(33),
     journal =  Sympozjum,
     pages =  s. 101-111,
    }