MOSZNER, Z. On the geometric concomitants. Annales Universitatis Paedagogicae Cracoviensis Studia Mathematica, [S. l.], v. 18, p. 53–58, 2020. Disponível em: https://studmath.uken.krakow.pl/article/view/7940. Acesso em: 14 jul. 2024.