@article{MZM_1990_47_4_a13,
     author = {T. G. Seregina},
     title = {On a~group of central locally splitting extensions},
     journal = {Matemati\v{c}eskie zametki},
     pages = {100--105},
     year = {1990},
     volume = {47},
     number = {4},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1990_47_4_a13/}
}