@article{PPN235181684_0243+dmdlog18,
title = {Simplicity of Crossed Products of GCR Algebras by Abelian Groups.},
journal = {Mathematische Annalen},
volume = {243},
year = {1979},
pages = {55-62},
zbl = {0451.46045},
url = {http://dml.mathdoc.fr/item/PPN235181684_0243+dmdlog18}
}
Evans, David E.; Takai, Hiroshi. Simplicity of Crossed Products of GCR Algebras by Abelian Groups.. Mathematische Annalen, Tome 243 (1979) pp. 55-62. http://gdmltest.u-ga.fr/item/PPN235181684_0243+dmdlog18/