@article{ZVMMF_1991_31_1_a19,
     author = {M. B. Aidarkhanov},
     title = {Some metric properties of the space of classifications},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {169--173},
     publisher = {mathdoc},
     volume = {31},
     number = {1},
     year = {1991},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1991_31_1_a19/}
}