@article{IM2_2016_80_4_a8,
     author = {V. A. Vassiliev},
     title = {Homology groups of spaces of non-resultant quadratic polynomial systems in ${\mathbb R}^3$},
     journal = {Izvestiya. Mathematics },
     pages = {791--810},
     publisher = {mathdoc},
     volume = {80},
     number = {4},
     year = {2016},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_2016_80_4_a8/}
}