Lang M. Interpretation of Double Taxation Conventions – The Judgement of the German Federal Fiscal Court (Bundesfinanzhof) in the Light Designer Case. In: Kukulski Z, Sęk M, editors. Challenges of Contemporary Tax Law: Jubilee Book Dedicated to Professor Włodzimierz Nykiel. Volume II [Internet]. Poland: Lodz University Press; 2024 [cited 2026 Jan. 28]. pp. 191-205. Available from: https://www.press.uni.lodz.pl/index.php/wul/catalog/book/1154/chapter/3163