Kumari Sreeja S Nair. (2021). Approximation of the Series $\sum\limits_{n=1}^{\infty} \frac{(-1)^{n-1}}{4 n-3}$. International Journal of Mathematics And Its Applications, 9(4), 89–90. Retrieved from http://ijmaa.in/index.php/ijmaa/article/view/32