@article{JOLT_2019_29_4_a8,
     author = {Guido Pezzini and Henrik Sepp\"anen},
     title = {On {Global} {Okounkov} {Bodies} of {Spherical} {Varieties}},
     journal = {Journal of Lie Theory},
     pages = {1031--1044},
     year = {2019},
     volume = {29},
     number = {4},
     url = {http://geodesic.mathdoc.fr/item/JOLT_2019_29_4_a8/}
}