%0 Journal Article %A B. S. Mityagin %A E. M. Semenov %T Lack of interpolation of linear operators in spaces of smooth functions %J Izvestiya. Mathematics %D 1977 %P 1229-1266 %V 11 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM2_1977_11_6_a4/ %G en %F IM2_1977_11_6_a4