OLEJNICZAK, Adam. Anticipatory breach of contract according to Article 4921 of the civil code. Ius Novum, Warszawa, Poland, v. 9, n. 2, p. 73–87, 2015. Disponível em: https://iusnovum.lazarski.pl/iusnovum/article/view/394. Acesso em: 22 grudz. 2024.