@article{ZNSL_1991_191_a4,
     author = {N. A. Vavilov},
     title = {On subgroups of the spinorial group containing a split maximal {torus.~I}},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {49--75},
     publisher = {mathdoc},
     volume = {191},
     year = {1991},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1991_191_a4/}
}