%0 Journal Article %A Daniel Huybrechts %T Chow groups of K3 surfaces and spherical objects %J Journal of the European Mathematical Society %D 2010 %P 1533-1551 %V 12 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4171/jems/240/ %R 10.4171/jems/240 %F JEMS_2010_12_6_a8