@article{TRSPY_2021_312_a5,
     author = {S. V. Bochkarev},
     title = {Inequalities for {Orthogonal} {Series} and a {Strengthening} of the {Carleman{\textendash}Olevskii} {Theorem} for {Complete} {Orthonormal} {Systems}},
     journal = {Informatics and Automation},
     pages = {111--130},
     year = {2021},
     volume = {312},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TRSPY_2021_312_a5/}
}