@article{DM_2001_13_4_a7,
     author = {A. A. Voronenko},
     title = {On the number of metric functions of a {Boolean} cube},
     journal = {Diskretnaya Matematika},
     pages = {116--121},
     year = {2001},
     volume = {13},
     number = {4},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DM_2001_13_4_a7/}
}