TY - JOUR AU - Ya. A. Smirnickii AU - P. E. Sobolevskii TI - Embedding theorems for fractional norms generated by an elliptic operator JO - Matematičeskie zametki PY - 1974 SP - 91 EP - 100 VL - 15 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1974_15_1_a9/ LA - ru ID - MZM_1974_15_1_a9 ER -