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@article{TRSPY_1965_77_a2, author = {O. V. Besov}, title = {Continuation of certain classes of differentiable functions beyond the boundary of a~region}, journal = {Informatics and Automation}, pages = {35--44}, publisher = {mathdoc}, volume = {77}, year = {1965}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/TRSPY_1965_77_a2/} }
O. V. Besov. Continuation of certain classes of differentiable functions beyond the boundary of a~region. Informatics and Automation, Investigations in the theory of differentiable functions of many variables and its applications, Tome 77 (1965), pp. 35-44. http://geodesic.mathdoc.fr/item/TRSPY_1965_77_a2/