@article{ZNSL_2006_338_a5,
     author = {E. V. Dybkova},
     title = {Overgroups of the diagonal group in the hyperbolic unitary group over a~simple {Artin} ring},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {155--172},
     year = {2006},
     volume = {338},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2006_338_a5/}
}