@article{DAN_1962_144_5_a9,
     author = {V. P. Mikhailov},
     title = {On {Riesz} bases in $\mathscr{L}_2(0,1)$},
     journal = {Doklady Akademii Nauk},
     pages = {981--984},
     publisher = {mathdoc},
     volume = {144},
     number = {5},
     year = {1962},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1962_144_5_a9/}
}