@article{JOLT_2011_21_2_a1,
     author = {Kiumars Kaveh},
     title = {Note on {Cohomology} {Rings} of {Spherical} {Varieties} and {Volume} {Polynomial}},
     journal = {Journal of Lie Theory},
     pages = {263--283},
     year = {2011},
     volume = {21},
     number = {2},
     url = {http://geodesic.mathdoc.fr/item/JOLT_2011_21_2_a1/}
}