TY - JOUR AU - N. V. Gravin AU - D. Yu. Shiryaev TI - Abnormal subgroups of classical groups corresponding to closed sets of roots JO - Zapiski Nauchnykh Seminarov POMI PY - 2009 SP - 151 EP - 171 VL - 365 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZNSL_2009_365_a7/ LA - ru ID - ZNSL_2009_365_a7 ER -