%0 Journal Article %A V. G. Zhuravlev %T Deformations of quadratic Diophantine systems %J Izvestiya. Mathematics %D 2001 %P 1085-1126 %V 65 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM2_2001_65_6_a1/ %G en %F IM2_2001_65_6_a1