@article{PFMT_2017_2_a6,
     author = {Bin Hu and Jianhong Huang and A. N. Skiba},
     title = {Finite groups whose $n$-maximal subgroups are generalized $S$-quasinormal},
     journal = {Problemy fiziki, matematiki i tehniki},
     pages = {40--45},
     publisher = {mathdoc},
     number = {2},
     year = {2017},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PFMT_2017_2_a6/}
}