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@article{TM_1976_140_a2, author = {O. V. Besov}, title = {Multiplicative estimates of integral moduli of smoothness}, journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova}, pages = {21--26}, publisher = {mathdoc}, volume = {140}, year = {1976}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/TM_1976_140_a2/} }
O. V. Besov. Multiplicative estimates of integral moduli of smoothness. Trudy Matematicheskogo Instituta imeni V.A. Steklova, Investigations in the theory of differentiable functions of many variables and its applications. Part 6, Tome 140 (1976), pp. 21-26. http://geodesic.mathdoc.fr/item/TM_1976_140_a2/