@article{10_4064_aa126_1_4,
     author = {Holger Brenner and Almar Kaid and Uwe Storch},
     title = {Unitarily graded field extensions},
     journal = {Acta Arithmetica},
     pages = {77--98},
     publisher = {mathdoc},
     volume = {126},
     number = {1},
     year = {2007},
     doi = {10.4064/aa126-1-4},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa126-1-4/}
}