Ramírez W, Bedoya D, Urieles A, Cesarano C, Ortega M. New $U$-Bernoulli, $U$-Euler and $U$-Genocchi polynomials and their matrices. Carpathian Math. Publ. [Internet]. 2023 Nov. 21 [cited 2024 Nov. 24];15(2):449-67. Available from: https://ktipe.pnu.edu.ua/index.php/cmp/article/view/7133