@article{JOLT_2012_22_2_a8,
     author = {Artem Anisimov},
     title = {Spherical {Subgroups} and {Double} {Coset} {Varieties}},
     journal = {Journal of Lie Theory},
     pages = {505--522},
     year = {2012},
     volume = {22},
     number = {2},
     url = {http://geodesic.mathdoc.fr/item/JOLT_2012_22_2_a8/}
}