SRISAWAT, S.; SRIPRAD, W. On the (s,t)-Pell and (s,t)-Pell-Lucas Polynomials. Progress in Applied Science and Technology, Thailand, v. 11, n. 2, p. 22–25, 2021. DOI: 10.14456/past.2021.15. Disponível em: https://ph02.tci-thaijo.org/index.php/past/article/view/243991. Acesso em: 27 jan. 2022.