@Article{406943,
     author = "Henryk Gurgul, Marcin Suder",
     title = "Nieliniowa dynamika indeksów giełdowych WIG20 i ATX: analiza porównawcza",
     year =  2010,
     volume =  7,
     number =  ,
     journal =  Managerial Economics,
     pages =  s. 103-120,
    }