@article{VSGU_2009_8_a2,
     author = {M. V. Ignatyev},
     title = {On supports of characters of the unitriangular group},
     journal = {Vestnik Samarskogo universiteta. Estestvennonau\v{c}na\^a seri\^a},
     pages = {28--34},
     year = {2009},
     number = {8},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VSGU_2009_8_a2/}
}