@article{DAN_1972_206_6_a5,
     author = {I. I. Ibragimov and N. I. Nagnibida},
     title = {On the completeness and basis property of some systems of analytic functions},
     journal = {Doklady Akademii Nauk},
     pages = {1290--1292},
     publisher = {mathdoc},
     volume = {206},
     number = {6},
     year = {1972},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1972_206_6_a5/}
}