M. P. Poudel, N. P. Pahari, G. Basnet, and R. Poudel, “Connection Formulas on Kummer’s Solutions and their Extension on Hypergeometric Function”, Nep J. Math. Sci., vol. 4, no. 2, pp. 83–88, Dec. 2023, doi: 10.3126/njmathsci.v4i2.60177.