%0 Journal Article %A A. N. Tyurin %T The geometry of singularities of a~generic quadratic form %J Izvestiya. Mathematics %D 1981 %P 413-422 %V 17 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM2_1981_17_2_a9/ %G en %F IM2_1981_17_2_a9