@article{ADM_2004_2_a9,
     author = {M. M. Semko and S. M. Kuchmenko},
     title = {Groups, in which almost all subgroups are near to normal},
     journal = {Algebra and discrete mathematics},
     pages = {92--113},
     publisher = {mathdoc},
     number = {2},
     year = {2004},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ADM_2004_2_a9/}
}