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@article{TM_1976_140_a10, author = {Yu. V. Kuznetsov}, title = {The pasting of functions belonging to the spaces $W^r_{p,\theta}$}, journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova}, pages = {191--200}, publisher = {mathdoc}, volume = {140}, year = {1976}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/TM_1976_140_a10/} }
Yu. V. Kuznetsov. The pasting of functions belonging to the spaces $W^r_{p,\theta}$. 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. 191-200. http://geodesic.mathdoc.fr/item/TM_1976_140_a10/