@article{AA_1999_11_3_a0,
     author = {E. Bayer-Fluckiger and M. Monsurro},
     title = {Doubling trace forms},
     journal = {Algebra i analiz},
     pages = {1--19},
     publisher = {mathdoc},
     volume = {11},
     number = {3},
     year = {1999},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/AA_1999_11_3_a0/}
}