COHN, J. H. E. The Diophantine equation $X(X + 1) = Y(Y^2 + 1)$. MATHEMATICA SCANDINAVICA, [S. l.], v. 68, p. 171–179, 1991. DOI: 10.7146/math.scand.a-12354. Disponível em: https://tidsskrift.dk/math/article/view/12354. Acesso em: 13 aug. 2026.