KULKARNI, R. G. Intersect a quartic to extract its roots. Annales Universitatis Paedagogicae Cracoviensis Studia Mathematica, [S. l.], v. 16, p. 73–76, 2018. Disponível em: https://studmath.uken.krakow.pl/article/view/12973. Acesso em: 21 jul. 2026.