%0 Journal Article %A Alejandro H. Morales %A William Shi %T Refinements and Symmetries of the Morris identity for volumes of flow polytopes %J Comptes Rendus. Mathématique %D 2021 %P 823-851 %V 359 %N 7 %I Académie des sciences, Paris %R 10.5802/crmath.218 %G en %F CRMATH_2021__359_7_823_0