@article{FPM_2007_13_5_a3,
     author = {M. V. Ignat'ev},
     title = {Subregular characters of the unitriangular group over a~finite field},
     journal = {Fundamentalʹna\^a i prikladna\^a matematika},
     pages = {103--125},
     publisher = {mathdoc},
     volume = {13},
     number = {5},
     year = {2007},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FPM_2007_13_5_a3/}
}