@article{CHEB_2015_16_4_a8,
     author = {V. S. Zhgoon},
     title = {Little {Weyl} groups and variety of degenerate horospheres},
     journal = {\v{C}eby\v{s}evskij sbornik},
     pages = {164--187},
     publisher = {mathdoc},
     volume = {16},
     number = {4},
     year = {2015},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/CHEB_2015_16_4_a8/}
}