@article{TRSPY_1951_38_a7,
     author = {M. V. Keldysh},
     title = {On a {Tauberian} theorem},
     journal = {Informatics and Automation},
     pages = {77--86},
     publisher = {mathdoc},
     volume = {38},
     year = {1951},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TRSPY_1951_38_a7/}
}