@article{DAN_1971_197_5_a5,
     author = {I. I. Ibragimov and I. S. Arshon},
     title = {Completeness of some systems of analytic functions},
     journal = {Doklady Akademii Nauk},
     pages = {1010--1013},
     publisher = {mathdoc},
     volume = {197},
     number = {5},
     year = {1971},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1971_197_5_a5/}
}