@article{article, title = {{The l-loop banana amplitude from GKZ systems and relative Calabi-Yau periods}}, publisher = {{Springer Science and Business Media LLC}}, url = {{https://doi.org/10.1007/jhep04(2020)088 }}, year = {{2020}}, month = {{4}}, author = {{Klemm A and Nega C and Safari R}}, doi = {{10.1007/jhep04(2020)088}}, volume = {{2020}}, journal = {{Journal of High Energy Physics}}, issue = {{4}}, note = {{Accessed on 2026/06/03}}}