@article{IM2_1989_32_3_a8,
     author = {A. A. Talalyan},
     title = {On~some uniqueness properties of multiple trigonometric series and harmonic functions},
     journal = {Izvestiya. Mathematics},
     pages = {627--654},
     year = {1989},
     volume = {32},
     number = {3},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_1989_32_3_a8/}
}