%0 Journal Article %A I. M. Pevzner %T Width of extraspecial unipotent radical with respect to root elements %J Zapiski Nauchnykh Seminarov POMI %D 2015 %P 168-177 %V 435 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_2015_435_a8/ %G ru %F ZNSL_2015_435_a8