@article{ZNSL_2013_413_a6,
     author = {A. V. Kukharev and G. E. Puninski},
     title = {Serial group rings of finite groups. $p$-nilpotency},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {134--152},
     year = {2013},
     volume = {413},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2013_413_a6/}
}