KRACHT, Marcus. Groups and Sheaves. Proceedings of Sinn und Bedeutung, [S. l.], v. 6, p. 233–240, 2019. DOI: 10.18148/sub/2002.v6i0.829. Disponível em: https://ojs.ub.uni-konstanz.de/sub/index.php/sub/article/view/829. Acesso em: 21 jun. 2024.