@article{TIMM_2013_19_3_a15,
     author = {S. F. Kamornikov and O. L. Shemetkova},
     title = {On subgroups that cover only $\mathfrak F$-central chief factors in finite groups},
     journal = {Trudy Instituta matematiki i mehaniki},
     pages = {158--163},
     publisher = {mathdoc},
     volume = {19},
     number = {3},
     year = {2013},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TIMM_2013_19_3_a15/}
}