Paudyal, Daya Ram, e Lakshmi Narayan Mishra. “ON APPROXIMATION OF SUM OF CONVERGENT SERIES”. The Journal of Engineering and Exact Sciences 6, no. 3 (setembro 4, 2020): 0421–0428. Acessado março 28, 2024. https://periodicos.ufv.br/jcec/article/view/10781.