@article{TRSPY_1951_38_a8,
     author = {N. M. Korobov},
     title = {Fractional parts of exponential functions},
     journal = {Informatics and Automation},
     pages = {87--96},
     publisher = {mathdoc},
     volume = {38},
     year = {1951},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TRSPY_1951_38_a8/}
}