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@article{IM2_1973_7_3_a8, author = {S. V. Bochkarev}, title = {On a~problem of {Zygmund}}, journal = {Izvestiya. Mathematics }, pages = {629--637}, publisher = {mathdoc}, volume = {7}, number = {3}, year = {1973}, language = {en}, url = {http://geodesic.mathdoc.fr/item/IM2_1973_7_3_a8/} }
S. V. Bochkarev. On a~problem of Zygmund. Izvestiya. Mathematics , Tome 7 (1973) no. 3, pp. 629-637. http://geodesic.mathdoc.fr/item/IM2_1973_7_3_a8/