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@article{MZM_1979_26_3_a7, author = {V. A. Oskolkov}, title = {Basicity of certain systems of functions}, journal = {Matemati\v{c}eskie zametki}, pages = {389--398}, publisher = {mathdoc}, volume = {26}, number = {3}, year = {1979}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1979_26_3_a7/} }
V. A. Oskolkov. Basicity of certain systems of functions. Matematičeskie zametki, Tome 26 (1979) no. 3, pp. 389-398. http://geodesic.mathdoc.fr/item/MZM_1979_26_3_a7/