@article{VMUMM_2016_3_a1,
     author = {D. V. Zlydnev},
     title = {Semigroup rings and group rings with large center},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {12--16},
     year = {2016},
     number = {3},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_2016_3_a1/}
}