NOWAK, Szymon. Wittgenstein 1929-1930 – the Problem of Colour Exclusion (in Polish). Diametros, [S. l.], n. 43, p. 55–73, 2019. DOI: 10.13153/diam.46.2015.836. Disponível em: https://diametros.uj.edu.pl/diametros/article/view/836. Acesso em: 20 apr. 2024.