Annamalai, Chinnaraji, y Antonio Marcos de Oliveira Siqueira. «An Alternative Method for the Gamma Function Derived from Natural Logarithm and Pi Function». The Journal of Engineering and Exact Sciences 9, no. 9 (junio 26, 2023): 16052–01e. Accedido mayo 21, 2025. https://beta.periodicos.ufv.br/jcec/article/view/16052.