TY - JOUR AU - V. V. Nikulin TI - Involutions of integral quadratic forms and their applications to real algebraic geometry JO - Izvestiya. Mathematics PY - 1984 SP - 99 EP - 172 VL - 22 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IM2_1984_22_1_a4/ LA - en ID - IM2_1984_22_1_a4 ER -