BELBACHIR, Hacene; SZALAY, Laszlo. Balancing in direction (1,-1) in Pascal’s Triangle. Armenian Journal of Mathematics, Yerevan, Armenia, v. 6, n. 1, p. 32–41, 2014. Disponível em: https://armjmath.sci.am/index.php/ajm/article/view/100. Acesso em: 3 apr. 2025.