SŁOMCZYŃSKA, K. How abelian can a non-abelian group be?. Annales Universitatis Paedagogicae Cracoviensis | Studia ad Didacticam Mathematicae Pertinentia, [S. l.], v. 9, n. 1, p. 99–110, 2018. Disponível em: https://didacticammath.uken.krakow.pl/article/view/4321. Acesso em: 23 nov. 2024.