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@article{DAN_1974_216_3_a9, author = {A. T. Taldykin}, title = {On tests for a basis of {Hilbert} space}, journal = {Doklady Akademii Nauk}, pages = {505--508}, publisher = {mathdoc}, volume = {216}, number = {3}, year = {1974}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1974_216_3_a9/} }
A. T. Taldykin. On tests for a basis of Hilbert space. Doklady Akademii Nauk, Tome 216 (1974) no. 3, pp. 505-508. http://geodesic.mathdoc.fr/item/DAN_1974_216_3_a9/