GANCZAREK-GAMROT, Alicja and STAWICKI, Józef. Comparison of Certain Dynamic Estimation Methods of Value at Risk on Polish Gas Market. Dynamic Econometric Models. Online. 21 December 2017. Vol. 17, no. 1, pp. 81-96. [Accessed 26 March 2026]. DOI 10.12775/DEM.2017.005.