“Contractual performance by a third party governed by lex contractus and the effectiveness of avoidance action in insolvency proceedings: note to the Judgement of the Court of Justice of European Union, April 22 2021, C-73/20”, Cuad. derecho transnac., vol. 14, no. 1, pp. 853–857, Mar. 2022, doi: 10.20318/cdt.2022.6721.