@article{MZM_1976_19_2_a10,
     author = {Yu. F. Korobeinik},
     title = {Absolute bases in {Hilbert} space},
     journal = {Matemati\v{c}eskie zametki},
     pages = {259--266},
     publisher = {mathdoc},
     volume = {19},
     number = {2},
     year = {1976},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1976_19_2_a10/}
}