@article{TIMM_2013_19_3_a21,
     author = {V. S. Monakhov and D. V. Gritsuk},
     title = {On the derived $\pi$-length of a~finite $\pi$-solvable group with a~given $\pi${-Hall} subgroup},
     journal = {Trudy Instituta matematiki i mehaniki},
     pages = {215--223},
     publisher = {mathdoc},
     volume = {19},
     number = {3},
     year = {2013},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TIMM_2013_19_3_a21/}
}