Zudilin, Wadim V. Max Planck Institute for Mathematics, Max Planck Society;
https://doi.org/10.1017/S1446788718000186 (Publisher version)
1708.02381.pdf (Preprint), 185KB
Broadhurst-Zudilin_A magnetic double integral_2019.pdf (Publisher version), 205KB
Broadhurst, D., & Zudilin, W. V. (2019). A magnetic double integral. Journal of the Australian Mathematical Society, 107(1), 9-25. doi:10.1017/S1446788718000186.