@article{MZM_1992_51_3_a14,
     author = {A. V. Sementovskii},
     title = {Irreducible characters and normal structure of finite-isolated groups},
     journal = {Matemati\v{c}eskie zametki},
     pages = {106--112},
     year = {1992},
     volume = {51},
     number = {3},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1992_51_3_a14/}
}