@article{Kontoge2008JNTp15871601,
  title = {{Actions of {G}alois groups on invariants of number fields}},
  author = {Kontogeorgis, A.},
  file = {1-s2.0-S0022314X07001242-main.pdf},
  volume = {128},
  pages = {1587{--}1601},
  url = {http://dx.doi.org/10.1016/j.jnt.2007.04.012},
  doi = {10.1016/j.jnt.2007.04.012},
  year = {2008},
  journal = {J. Number Theory},
  abstract = {In this paper we investigate the connection between relations among various invariants of number fields LH coresponding to subgroups H acting on L and of linear relations among norm idempotents},
  issn = {0022-314X},
  number = {6}
}