@article{MVK_2018_9_1_a2,
     author = {G. I. Ivchenko and Yu. I. Medvedev},
     title = {Parametric models of $r$-permutations and $r$-partitions and their probabilistic-statistical analysis},
     journal = {Matemati\v{c}eskie voprosy kriptografii},
     pages = {47--64},
     year = {2018},
     volume = {9},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MVK_2018_9_1_a2/}
}