@article{02146819,
title = {On the Chow groups of quadratic Grassmannians.},
journal = {Documenta Mathematica},
volume = {10},
year = {2005},
pages = {111-130},
zbl = {1115.14002},
language = {en},
url = {http://dml.mathdoc.fr/item/02146819}
}
Vishik, A. On the Chow groups of quadratic Grassmannians.. Documenta Mathematica, Tome 10 (2005) pp. 111-130. http://gdmltest.u-ga.fr/item/02146819/