@article{01716188,
title = {Divisible subgroups of Brauer groups and trace forms of central simple algebras.},
journal = {Documenta Mathematica},
volume = {6},
year = {2001},
pages = {489-500},
zbl = {0997.16013},
language = {en},
url = {http://dml.mathdoc.fr/item/01716188}
}
Berhuy, Grégory; Leep, David B. Divisible subgroups of Brauer groups and trace forms of central simple algebras.. Documenta Mathematica, Tome 6 (2001) pp. 489-500. http://gdmltest.u-ga.fr/item/01716188/