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@article{MZM_1967_1_6_a9, author = {A. F. Leont'ev}, title = {A question on the representation of arbitrary functions by certain general series}, journal = {Matemati\v{c}eskie zametki}, pages = {689--698}, publisher = {mathdoc}, volume = {1}, number = {6}, year = {1967}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1967_1_6_a9/} }
A. F. Leont'ev. A question on the representation of arbitrary functions by certain general series. Matematičeskie zametki, Tome 1 (1967) no. 6, pp. 689-698. http://geodesic.mathdoc.fr/item/MZM_1967_1_6_a9/