R. RANGARAJAN; P. SHASHIKALA; C. K. HONNEGOWDA. Certain Combinatorial Properties of Twin Triplets Related to Tchebychev Polynomials. International Journal of Mathematics And its Applications, [S. l.], v. 4, n. 4, p. 1–10, 2016. Disponível em: https://ijmaa.in/index.php/ijmaa/article/view/949. Acesso em: 3 jul. 2024.