@article{PDM_2010_1_a5,
     author = {V. V. Skobelev and V. G. Skobelev},
     title = {Analysis of non-linear automata with delay~2 over a~finite ring},
     journal = {Prikladna\^a diskretna\^a matematika},
     pages = {68--85},
     publisher = {mathdoc},
     number = {1},
     year = {2010},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/PDM_2010_1_a5/}
}