KIJEK, Arkadiusz. Spectral Analysis Of Business Cycles In The Visegrad Group Countries. Comparative Economic Research. Central and Eastern Europe, [S. l.], v. 20, n. 2, p. 53–71, 2017. DOI: 10.1515/cer-2017-0012. Disponível em: https://czasopisma.uni.lodz.pl/CER/article/view/1954. Acesso em: 18 apr. 2025.