@article{MVK_2012_3_1_a2,
     author = {B. A. Pogorelov and M. A. Pudovkina},
     title = {Natural metrics and their properties. {P.~2.} {Hamming-type} metrics},
     journal = {Matemati\v{c}eskie voprosy kriptografii},
     pages = {71--95},
     year = {2012},
     volume = {3},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MVK_2012_3_1_a2/}
}