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@article{MZM_1980_27_5_a4, author = {S. V. Levizov}, title = {Some properties of the {Walsh} system}, journal = {Matemati\v{c}eskie zametki}, pages = {715--720}, publisher = {mathdoc}, volume = {27}, number = {5}, year = {1980}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1980_27_5_a4/} }
S. V. Levizov. Some properties of the Walsh system. Matematičeskie zametki, Tome 27 (1980) no. 5, pp. 715-720. http://geodesic.mathdoc.fr/item/MZM_1980_27_5_a4/