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@article{MZM_1991_50_2_a20, author = {N. A. Il'yasov}, title = {Inequality between moduli of smoothness of different orders in different metrics}, journal = {Matemati\v{c}eskie zametki}, pages = {153--155}, publisher = {mathdoc}, volume = {50}, number = {2}, year = {1991}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1991_50_2_a20/} }
N. A. Il'yasov. Inequality between moduli of smoothness of different orders in different metrics. Matematičeskie zametki, Tome 50 (1991) no. 2, pp. 153-155. http://geodesic.mathdoc.fr/item/MZM_1991_50_2_a20/