@article{MZM_2002_72_2_a10,
     author = {M. M. Sorokina and N. V. Silenok},
     title = {Critical $\Omega${-Fiber} {Formations} of {Finite} {Groups}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {269--282},
     publisher = {mathdoc},
     volume = {72},
     number = {2},
     year = {2002},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2002_72_2_a10/}
}