SZULC, Elżbieta. Spatio-temporal modelling of economic phenomena in the context of reducing the dimensions of the random field. Ekonomia i Prawo. Economics and Law. Online. 30 June 2020. Vol. 19, no. 2, pp. 333-354. [Accessed 23 July 2024]. DOI 10.12775/EiP.2020.023.