@article{DAN_1969_189_1_a5,
     author = {V. P. Zaharyuta},
     title = {The quasi-equivalence of bases at an infinite center of a {Hilbert} scale},
     journal = {Doklady Akademii Nauk},
     pages = {26--28},
     publisher = {mathdoc},
     volume = {189},
     number = {1},
     year = {1969},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1969_189_1_a5/}
}