@article{MZM_1984_36_3_a0,
     author = {A. N. Lyul'ko},
     title = {Normal subgroups of {Abels'} groups},
     journal = {Matemati\v{c}eskie zametki},
     pages = {289--294},
     publisher = {mathdoc},
     volume = {36},
     number = {3},
     year = {1984},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1984_36_3_a0/}
}