%0 Journal Article %A A. Vishik %T On the Chow groups of quadratic Grassmannians %J Documenta mathematica %D 2005 %P 111-130 %V 10 %U http://geodesic.mathdoc.fr/articles/10.4171/dm/184/ %R 10.4171/dm/184 %F 10_4171_dm_184