@article{TIMB_2008_16_1_a15,
     author = {L. A. Shemetkov and Yi Xiaolan},
     title = {On the $p$-length of finite $p$-soluble groups},
     journal = {Trudy Instituta matematiki},
     pages = {93--96},
     year = {2008},
     volume = {16},
     number = {1},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/TIMB_2008_16_1_a15/}
}