@article{ZNSL_2003_305_a6,
     author = {E. V. Dybkova},
     title = {Overdiagonal subgroups of the hyperbolic unitary group for the good form ring over a~skew field},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {121--135},
     year = {2003},
     volume = {305},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2003_305_a6/}
}