@article{RM_1973_28_2_a15,
     author = {V. M. Galkin},
     title = {A certain ideal in the group ring of a~cyclic group},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     publisher = {mathdoc},
     volume = {28},
     number = {2},
     year = {1973},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/RM_1973_28_2_a15/}
}