@article{IM2_1997_61_2_a4,
     author = {Yu. V. Kryakin},
     title = {On functions with bounded $\mathbf n$th differences},
     journal = {Izvestiya. Mathematics },
     pages = {331--346},
     publisher = {mathdoc},
     volume = {61},
     number = {2},
     year = {1997},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_1997_61_2_a4/}
}