@article{TIMM_2018_24_3_a4,
     author = {Guo Wen Bin and A. A. Buturlakin and D. O. Revin},
     title = {Equivalence of the existence of nonconjugate and nonisomorphic {Hall} $\pi$-subgroups},
     journal = {Trudy Instituta matematiki i mehaniki},
     pages = {43--50},
     year = {2018},
     volume = {24},
     number = {3},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TIMM_2018_24_3_a4/}
}