@article{ADM_2005_1_a11,
     author = {Vasiliy A. Ustimenko},
     title = {Maximality of affine group, and hidden graph cryptosystems},
     journal = {Algebra and discrete mathematics},
     pages = {133--150},
     year = {2005},
     number = {1},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ADM_2005_1_a11/}
}