FLISSAK , Kostyantyn. Legal Foundations and Imperatives of the Functioning of the Swiss Confederation’s Tax System. Actual problems of law (Aktual’ni problemi pravoznavstva), [S. l.], n. 1, p. 89–97, 2026. DOI: 10.35774/app2026.01.089. Disponível em: https://appj.wunu.edu.ua/index.php/apl/article/view/2238. Acesso em: 9 may. 2026.