TY - GEN T1 - The $l$-loop Banana Amplitude from GKZ Systems and relative Calabi-Yau Periods UR - https://doi.org/10.1007/JHEP04(2020)088 PY - 2019/12/12 AU - Klemm A AU - Nega C AU - Safari R ED - Y2 - 2026/09/12 ER -