@article{DAN_1990_313_6_a2,
     author = {V. A. Belyaev},
     title = {Description of the structure of a set of polynomial convergence in},
     journal = {Doklady Akademii Nauk},
     pages = {1296--1298},
     publisher = {mathdoc},
     volume = {313},
     number = {6},
     year = {1990},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1990_313_6_a2/}
}