@article{PFMT_2015_2_a6,
     author = {A. F. Vasil'ev and I. N. Khalimonchik},
     title = {On lattices of generalized subnormal subgroups in finite metanilpotent groups},
     journal = {Problemy fiziki, matematiki i tehniki},
     pages = {48--52},
     publisher = {mathdoc},
     number = {2},
     year = {2015},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/PFMT_2015_2_a6/}
}