@article{PDM_2009_11_a3,
     author = {V. G. Skobelev},
     title = {Combinatorics-algebraic models in cryptography},
     journal = {Prikladna\^a diskretna\^a matematika},
     pages = {74--114},
     publisher = {mathdoc},
     number = {11},
     year = {2009},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/PDM_2009_11_a3/}
}