@article{MVK_2017_8_2_a2,
     author = {I. M. Arbekov},
     title = {Lower bounds for the practical secrecy of a key},
     journal = {Matemati\v{c}eskie voprosy kriptografii},
     pages = {29--38},
     year = {2017},
     volume = {8},
     number = {2},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/MVK_2017_8_2_a2/}
}