@article{01784589,
title = {Picard groups of Deligne-Lusztig varieties -- with a view toward higher codimensions.},
journal = {Beitr\"age zur Algebra und Geometrie},
volume = {43},
year = {2002},
pages = {9-26},
zbl = {1061.14503},
language = {en},
url = {http://dml.mathdoc.fr/item/01784589}
}
Hansen, Søren Have. Picard groups of Deligne-Lusztig varieties -- with a view toward higher codimensions.. Beiträge zur Algebra und Geometrie, Tome 43 (2002) pp. 9-26. http://gdmltest.u-ga.fr/item/01784589/