@article{DAN_1964_159_4_a10,
     author = {G. K. Lebed'},
     title = {On a theorem of {S.\,N.~Bernstein}},
     journal = {Doklady Akademii Nauk},
     pages = {742--745},
     publisher = {mathdoc},
     volume = {159},
     number = {4},
     year = {1964},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1964_159_4_a10/}
}