@article{SM_2017_208_2_a6,
     author = {A. A. Shafarevich},
     title = {Flexibility of affine horospherical varieties of semisimple groups},
     journal = {Sbornik. Mathematics},
     pages = {285--310},
     publisher = {mathdoc},
     volume = {208},
     number = {2},
     year = {2017},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_2017_208_2_a6/}
}