%0 Journal Article %A N. V. Gravin %A D. Yu. Shiryaev %T Abnormal subgroups of classical groups corresponding to closed sets of roots %J Zapiski Nauchnykh Seminarov POMI %D 2009 %P 151-171 %V 365 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_2009_365_a7/ %G ru %F ZNSL_2009_365_a7