TY - JOUR AU - V. I. Chernousov TI - The group of congruence coefficients of a canonical quadratic form and stable rationality of the $PSO$ variety JO - Matematičeskie zametki PY - 1994 SP - 114 EP - 119 VL - 55 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1994_55_4_a12/ LA - ru ID - MZM_1994_55_4_a12 ER -