@article{DM_2002_14_1_a3,
     author = {D. A. Mikhailov},
     title = {Unitary polylinear shift registers and their periods},
     journal = {Diskretnaya Matematika},
     pages = {30--59},
     publisher = {mathdoc},
     volume = {14},
     number = {1},
     year = {2002},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DM_2002_14_1_a3/}
}