ValeyevK. G., and KostinskiiO. Y. “Calculation of Bessel Functions by Using Continued Fractions”. Ukrains’kyi Matematychnyi Zhurnal, Vol. 47, no. 12, Dec. 1995, pp. 1704–1705, https://umj.imath.kiev.ua/index.php/umj/article/view/5564.