TY - JOUR AU - V. V. Nikulin TI - Filtrations of 2-elementary forms and involutions of integral symmetric and skew-symmetric bilinear forms JO - Izvestiya. Mathematics PY - 1986 SP - 159 EP - 182 VL - 27 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IM2_1986_27_1_a8/ LA - en ID - IM2_1986_27_1_a8 ER -