Flissak , Kostyantyn. “Legal Foundations and Imperatives of the Functioning of the Swiss Confederation’s Tax System”. Actual problems of law (Aktual’ni problemi pravoznavstva), no. 1 (May 4, 2026): 89–97. Accessed May 9, 2026. https://appj.wunu.edu.ua/index.php/apl/article/view/2238.