@article{SM_1973_19_4_a1,
     author = {Yu. A. Kaz'min},
     title = {On~a~problem of {A.\,O.~Gel'fond}},
     journal = {Sbornik. Mathematics},
     pages = {509--530},
     publisher = {mathdoc},
     volume = {19},
     number = {4},
     year = {1973},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1973_19_4_a1/}
}