OLBRYŚ, Joanna. Asymmetric Impact of Innovations on Volatility in the Case of the US and CEEC–3 Markets: EGARCH Based Approach. Dynamic Econometric Models. Online. 12 December 2013. Vol. 13, pp. 33-50. [Accessed 19 July 2024]. DOI 10.12775/DEM.2013.002.