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, Berkeley, CA, United States, v. 52, p. 24–36, 1983. DOI: 10.7146/math.scand.a-11990. Disponível em: https://journals.msp.org/mscand/article/view/1631. Acesso em: 25 jul. 2026.