%0 Journal Article %A Ya. A. Smirnickii %A P. E. Sobolevskii %T Embedding theorems for fractional norms generated by an elliptic operator %J Matematičeskie zametki %D 1974 %P 91-100 %V 15 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_1974_15_1_a9/ %G ru %F MZM_1974_15_1_a9