TY - JOUR AU - V. A. Vassiliev TI - Homology groups of spaces of non-resultant quadratic polynomial systems in ${\mathbb R}^3$ JO - Izvestiya. Mathematics PY - 2016 SP - 791 EP - 810 VL - 80 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IM2_2016_80_4_a8/ LA - en ID - IM2_2016_80_4_a8 ER -