@article{ADM_2013_16_2_a7,
     author = {V. S. Monakhov and D. V. Gritsuk},
     title = {On derived $\pi$-length of a finite $\pi$-solvable group with  supersolvable $\pi${-Hall} subgroup},
     journal = {Algebra and discrete mathematics},
     pages = {233--241},
     publisher = {mathdoc},
     volume = {16},
     number = {2},
     year = {2013},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ADM_2013_16_2_a7/}
}