БЕЗЗУБОВ, Д. О.; АРМАШ, Н. О. On the issue of the unification of the application of substantive law on recognition of contracts null and void. Scientific works of Kyiv Aviation Institute. Series Law Journal "Air and Space Law", [S. l.], v. 2, n. 43, p. 135–139, 2017. DOI: 10.18372/2307-9061.43.11804. Disponível em: https://jrnl.nau.edu.ua/index.php/UV/article/view/11804. Acesso em: 7 dec. 2025.