ŚLOSARSKI, M. Multi-invertible maps and their applications. Annales Universitatis Paedagogicae Cracoviensis Studia Mathematica, [S. l.], v. 18, p. 35–52, 2019. Disponível em: https://studmath.uken.krakow.pl/article/view/7939. Acesso em: 21 nov. 2024.