SHOREY, T. N.; STEWART, C. L. On the Diophantine equation $ax^{2t}+bx^ty+cy^2=d$ and pure powers in recurrence sequences. MATHEMATICA SCANDINAVICA, [S. l.], v. 52, p. 24–36, 1983. DOI: 10.7146/math.scand.a-11990. Disponível em: https://www.mscand.dk/article/view/11990. Acesso em: 5 may. 2024.