BŁASZCZYK, P. Nota o Lehrbuch der Algebra. Einlaitung Heinricha Webera. Annales Universitatis Paedagogicae Cracoviensis | Studia ad Didacticam Mathematicae Pertinentia, [S. l.], v. 7, p. 129–139, 2017. Disponível em: https://didacticammath.uken.krakow.pl/article/view/3560. Acesso em: 4 may. 2024.