@article{MZM_1992_52_4_a12,
     author = {S. Tazhetdinov},
     title = {Subnormal structure of two-dimensional linear groups over 6-primitive rings},
     journal = {Matemati\v{c}eskie zametki},
     pages = {99--105},
     publisher = {mathdoc},
     volume = {52},
     number = {4},
     year = {1992},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1992_52_4_a12/}
}