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@article{TRSPY_1985_172_a5, author = {V. I. Burenkov}, title = {Extension of functions with preservation of {Sobolev} seminorm}, journal = {Informatics and Automation}, pages = {71--85}, publisher = {mathdoc}, volume = {172}, year = {1985}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/TRSPY_1985_172_a5/} }
V. I. Burenkov. Extension of functions with preservation of Sobolev seminorm. Informatics and Automation, Investigations on the theory of functions of several real variables and approximation of functons, Tome 172 (1985), pp. 71-85. http://geodesic.mathdoc.fr/item/TRSPY_1985_172_a5/