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@article{IM2_1988_31_3_a7, author = {G. S. Balashova}, title = {On~the extension of infinitely differentiable functions}, journal = {Izvestiya. Mathematics }, pages = {603--620}, publisher = {mathdoc}, volume = {31}, number = {3}, year = {1988}, language = {en}, url = {http://geodesic.mathdoc.fr/item/IM2_1988_31_3_a7/} }
G. S. Balashova. On~the extension of infinitely differentiable functions. Izvestiya. Mathematics , Tome 31 (1988) no. 3, pp. 603-620. http://geodesic.mathdoc.fr/item/IM2_1988_31_3_a7/