@Article{484920,
     author = "Grzegorz Mentel",
     title = "Modeling gas prices in Poland with an application of the Vector Autoregression method (VAR)",
     year =  2012,
     volume =  12(20),
     number =  2,
     journal =  Folia Oeconomica Stetinensia,
     pages =  s. 46-57,
    }