ŁĘT, Blanka. Dynamics of Multivariate Return Series of U.S. Automotive Stock Companies in Conditions of Crisis. Dynamic Econometric Models, [S. l.], v. 10, p. 43–50, 2010. DOI: 10.12775/DEM.2010.004. Disponível em: https://apcz.umk.pl/DEM/article/view/DEM.2010.004. Acesso em: 20 jan. 2025.