@article{ZNSL_2015_435_a8,
     author = {I. M. Pevzner},
     title = {Width of extraspecial unipotent radical with respect to root elements},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {168--177},
     publisher = {mathdoc},
     volume = {435},
     year = {2015},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2015_435_a8/}
}