@article{SM_1967_1_1_a2,
     author = {P. M. Tamrazov},
     title = {On the general coefficient theorem},
     journal = {Sbornik. Mathematics},
     pages = {49--59},
     year = {1967},
     volume = {1},
     number = {1},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1967_1_1_a2/}
}