@article{DAN_1976_229_3_a3,
     author = {Ya. L. Geronimus},
     title = {On a problem of {S.\,N.~Bernstein}},
     journal = {Doklady Akademii Nauk},
     pages = {538--541},
     publisher = {mathdoc},
     volume = {229},
     number = {3},
     year = {1976},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1976_229_3_a3/}
}