@article{GDZPPN002421356,
title = {Ulm Invariants of the Brauer Group of a Field. II.},
journal = {Mathematische Zeitschrift},
volume = {162},
year = {1978},
pages = {1-4},
zbl = {0367.20033},
url = {http://dml.mathdoc.fr/item/GDZPPN002421356}
}
Schacher, Murray; Fein, Burton. Ulm Invariants of the Brauer Group of a Field. II.. Mathematische Zeitschrift, Tome 162 (1978) pp. 1-4. http://gdmltest.u-ga.fr/item/GDZPPN002421356/