@article{DAN_1973_210_4_a4,
     author = {S. I. Ibragimov},
     title = {On the completeness of some systems of functions analytic in an annulus},
     journal = {Doklady Akademii Nauk},
     pages = {767--770},
     publisher = {mathdoc},
     volume = {210},
     number = {4},
     year = {1973},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1973_210_4_a4/}
}