%0 Journal Article %A V. A. Vassiliev %T Homology groups of spaces of non-resultant quadratic polynomial systems in ${\mathbb R}^3$ %J Izvestiya. Mathematics %D 2016 %P 791-810 %V 80 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM2_2016_80_4_a8/ %G en %F IM2_2016_80_4_a8