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@article{IVM_1978_3_a3, author = {N. B. Vasil'zhenko}, title = {The completeness of a~system of functions}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {20--23}, publisher = {mathdoc}, number = {3}, year = {1978}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1978_3_a3/} }
N. B. Vasil'zhenko. The completeness of a~system of functions. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 3 (1978), pp. 20-23. http://geodesic.mathdoc.fr/item/IVM_1978_3_a3/