@article{SM_2009_200_4_a1,
     author = {O. V. Kamlovskii},
     title = {Frequency characteristics of linear recurrence sequences over {Galois} rings},
     journal = {Sbornik. Mathematics},
     pages = {499--519},
     publisher = {mathdoc},
     volume = {200},
     number = {4},
     year = {2009},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_2009_200_4_a1/}
}