@article{MZM_1967_1_5_a0,
     author = {A. O. Gel'fond},
     title = {On functions assuming integral values},
     journal = {Matemati\v{c}eskie zametki},
     pages = {509--513},
     publisher = {mathdoc},
     volume = {1},
     number = {5},
     year = {1967},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1967_1_5_a0/}
}