HEFEZ, A.; SACCHIERO, G. The Galois group of the tangency problem for plane curves. MATHEMATICA SCANDINAVICA, [S. l.], v. 56, p. 171–190, 1985. DOI: 10.7146/math.scand.a-12095. Disponível em: https://www.mscand.dk/article/view/12095. Acesso em: 24 nov. 2024.