@article{AA_2001_13_3_a1,
     author = {E. L. Bashkirov},
     title = {On the subgroups of the complete linear group of degree~4 that contain the special unitary group of index~1},
     journal = {Algebra i analiz},
     pages = {18--42},
     publisher = {mathdoc},
     volume = {13},
     number = {3},
     year = {2001},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AA_2001_13_3_a1/}
}