@article{PDM_2008_1_a20,
     author = {V. V. Skobelev},
     title = {Characteristics of fixed points for linear automata over a finite ring},
     journal = {Prikladna\^a diskretna\^a matematika},
     pages = {126--130},
     publisher = {mathdoc},
     number = {1},
     year = {2008},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/PDM_2008_1_a20/}
}