%0 Journal Article %A Morales, Alejandro H. %A Shi, William %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 %U http://www.numdam.org/articles/10.5802/crmath.218/ %R 10.5802/crmath.218 %G en %F CRMATH_2021__359_7_823_0