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@article{TM_1985_172_a23, author = {A. P. Terekhin}, title = {Multiplicative estimates of moduli of mixed operator smoothness}, journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova}, pages = {325--337}, publisher = {mathdoc}, volume = {172}, year = {1985}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/TM_1985_172_a23/} }
A. P. Terekhin. Multiplicative estimates of moduli of mixed operator smoothness. Trudy Matematicheskogo Instituta imeni V.A. Steklova, Investigations on the theory of functions of several real variables and approximation of functons, Tome 172 (1985), pp. 325-337. http://geodesic.mathdoc.fr/item/TM_1985_172_a23/