@article{DAN_1991_319_3_a16,
     author = {S. B. Fleishman},
     title = {Assignments with a given order of succession},
     journal = {Doklady Akademii Nauk},
     pages = {581--584},
     publisher = {mathdoc},
     volume = {319},
     number = {3},
     year = {1991},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1991_319_3_a16/}
}