@article{ZNSL_1991_191_a5,
     author = {W. Holubowski},
     title = {Subgroups of isotropic orthogonal group containing the centralizer of a maximal split torus},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {76--79},
     year = {1991},
     volume = {191},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1991_191_a5/}
}