WRÓBEL, Małgorzata. On functions of bounded n-th variation. Annales Mathematicae Silesianae, [S. l.], v. 15, p. 79–86, 2001. Disponível em: https://trrest.vot.pl/ojsus/index.php/AMSIL/article/view/14117. Acesso em: 4 jul. 2025.