Dharmendra, B. N. “Parameters for Ramanujan’s Function $χ(q)$ of Degree Five and Their Explicit Evaluation”.
Ukrains’kyi Matematychnyi Zhurnal
, vol. 69, no. 4, Apr. 2017, pp. 520-9,
https://umj.imath.kiev.ua/index.php/umj/article/view/1713
.