@article{PFMT_2017_3_a10,
     author = {V. M. Selkin and A. N. Skiba},
     title = {On $\sigma$-permutable subgroups of finite groups},
     journal = {Problemy fiziki, matematiki i tehniki},
     pages = {61--65},
     publisher = {mathdoc},
     number = {3},
     year = {2017},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PFMT_2017_3_a10/}
}