@article{DMGAA_2015_35_1_a8,
     author = {Koprowski, Przemys{\l}aw},
     title = {Graded {Hilbert-symbol} equivalence of number fields},
     journal = {Discussiones Mathematicae. General Algebra and Applications},
     pages = {105--113},
     publisher = {mathdoc},
     volume = {35},
     number = {1},
     year = {2015},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/DMGAA_2015_35_1_a8/}
}