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 19 July 2024]. DOI 10.12775/DEM.2017.005.