@Article{240449,
     author = "Maria Jaczynowska",
     title = "Avant-propos ",
     year =  1979,
     volume =  13 (96),
     number =  ,
     journal =  Acta Universitatis Nicolai Copernici. Nauki Humanistyczno-Społeczne. Historia,
     pages =  s. 3-4,
    }