@article{DAN_1983_270_2_a0,
     author = {A. V. Bratishchev},
     title = {On a problem of {A.\,F.~Leont'ev}},
     journal = {Doklady Akademii Nauk},
     pages = {265--267},
     publisher = {mathdoc},
     volume = {270},
     number = {2},
     year = {1983},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1983_270_2_a0/}
}