@article{MZM_1985_37_2_a17,
     author = {S. Tazhetdinov},
     title = {Subnormal structure of symplectic groups over local rings},
     journal = {Matemati\v{c}eskie zametki},
     pages = {289--298},
     publisher = {mathdoc},
     volume = {37},
     number = {2},
     year = {1985},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1985_37_2_a17/}
}