@article{ZVMMF_1988_28_4_a14,
     author = {A. V. Panyukov and B. V. Pel'tsverger},
     title = {The optimal distribution of a tree in a finite set},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {618--620},
     publisher = {mathdoc},
     volume = {28},
     number = {4},
     year = {1988},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1988_28_4_a14/}
}